List of auxiliary ship classes in service

• Andenes command ship
• Builder: {{NOR}}
• Displacement: 3,000 tons
• Operator: {{navy|Norway}}: 3 in commission

• HSwMS Trossö Command ship
• 2,140 tones
• Operator: {{navy|Sweden}}

• Kozara river command ship
• Builder: {{DEU}}
• Displacement: 600 tons
• Operator: {{navy|Singapore}}

• Blue Ridge-class joint command ship (LCC-19)
• Builder: {{USA}}
• Displacement: 19,700 tons
• Operator: {{navy|United States}}: 2 in commission

• Godetia tender
• Displacement: 2,500 tons
• Operator: {{navy|Belgium}}

• Absalon-class flexible support ship / flexible combat vessel
• Builder: {{DNK}}
• Displacement: 4500 tons (light), 6,600 tons (full load)
• Operator: {{navy|Denmark}}: 2 ships commissioned. (Arguably a support ship, armed as a frigate)

• Karel Doorman-class multi-function support ship
• Builder: {{NLD}}
• Displacement: max 27,500 tons
• Operator: {{navy|Netherlands}}: 1 commissioned around 2014

• {{HMNZS|Manawanui|2019|6}} multi-role offshore support ship
• Builder: {{NOR}}
• Displacement: 5,741 tons
• Operator: {{navy|New Zealand}}

• Shichang multi-role training/support ship
• Displacement: 9,500 tons
• Operator: {{navy|China}}

• Mercy-class hospital ship (AH-19)
• Builder: {{USA}}
• Displacement: 69,360 tonnes
• Operator: {{navy|United States}}: 2 in commission

• Project 320A hospital ship
• Builder: {{URS}}
• Displacement: 11570 tonnes
• Operator: {{navy|Russia}}: 2 in commission

• RFA Argus Primary Casualty Receiving Ship (A135)
• builder: {{ITA}} converted by {{GBR}}
• Displacement: 28,081 tonnes
• Operator: {{navy|United Kingdom}} (Royal Fleet Auxiliary)

• Daishan Dao-class hospital ship (866)
• Builder: {{PRC}}
• Displacement: 14,000 tonnes
• Operator: {{navy|China}}

• Zhuanghe medical evacuation ship
• Builder: {{PRC}}
• Operator: {{navy|China}}

• Qiongsha class ambulance transport ship
• Builder: {{PRC}}
• Displacement: 2,150 tonnes
• Operator: {{navy|China}}: 1 in commission

• Beiyi 01-class fast ambulance craft
• Builder: {{PRC}}
• Operator: {{navy|China}}: 5 in commission

• Builder: {{PRC}}
• Displacement: 410 tonnes
• Operator: {{navy|China}}: 1 in service

• Type 072-class ammunition ship
• Builder: {{PRC}}
• Displacement: 4,170 tonnes
• Operator: {{navy|China}}: 3 in service

• Yuan Wang 21 missile/rocket ammunition ship
• Builder: {{PRC}}
• Displacement: 9,080 tonnes
• Operator: {{navy|China}}

• Yuan Wang 22 missile/rocket ammunition ship
• Builder: {{PRC}}
• Operator: {{navy|China}}

• Fort Rosalie-class replenishment ship
• Builder: {{GBR}}
• Displacement: 23,890 tons
• Operator: {{navy|United Kingdom}}, (Image:British-Royal-Fleet-Auxiliary-Ensign.svg Royal Fleet Auxiliary), 2 in service

• Lewis and Clark-class dry cargo/ammunition ship (T-AKE-1)
• Builder: {{USA}}
• Displacement: 41,000 tons
• Operator: {{navy|United States}}: 14 in commission

• Poolster-class replenishment ship
• Builder: {{NLD}}
• Displacement: 16,836 tons
• Operator: {{navy|Pakistan}}: 1 in service

• Type 903 (Fuchi-class) replenishment ship
• Builder: {{PRC}}
• Displacement: 20,500 tons
• Operator: {{navy|China}}: 2 in commission

• Type 903A-class replenishment ship
• Builder: {{PRC}}
• Displacement: 23,400 tons
• Operator: {{navy|China}}

• Type 904 (Dayun-class) stores ship
• Builder: {{PRC}}
• Displacement: 10,975 tons
• Operator: {{navy|China}}: 2 in service

• Type 908 (Fusu- or Nancang-class) replenishment ship
• Builder: {{URS}}
• Displacement: 37,000 tons
• Operator: {{navy|China}}: 1 in commission

• Westerwald-class transport ship
• Builder: {{DEU}}
• Displacement: 4,042 tons
• Operator: {{navy|Germany}}: 1 in service

• Cheonji-class fast combat support ship
• Builder: {{KOR}}
• Displacement: 9,113 tons
• Operator {{navy|South Korea}}: 3 in service

• Panshih-class (AOE-532) fast combat support ship
• Builder: {{ROC}}
• Displacement: 20,000 tons
• Operator: {{navy|Republic of China}}: 1 in service

• Supply-class fast combat replenishment ship (AOE-6)
• Builder: {{USA}}
• Displacement: 50,000 tons
• Operator: {{navy|United States}}: 2 in commission

• Type 901 class fast combat support ship
• Builder: {{PRC}}
• Displacement: 45,000 tons
• Operator: {{navy|China}}: 2 in commission
• Derya class fast combat support ship
• Builder: {{TUR}}
• Displacement: 26,000 tons
• Operator: {{navy|Turkey}}: 1 in service

• Akar-class replenishment oiler
• Builder: {{TUR}}
• Displacement: 19,350 tons
• Operator: {{navy|Turkey}}: 2 in service

• {{HMNZS|Aotearoa}} replenishment oiler
• Builder: {{KOR}}
• Displacement: 26,000 tons
• Operator: {{navy|New Zealand}}

• Berlin-class (Type 702) combat support ship
• Builder: {{DEU}}
• Displacement: 20,240 tons
• Operator {{navy|Germany}}: 3 in service

• Cantabria (A15) replenishment oiler
• Builder: {{ESP}}
• Displacement: 19,500 tons
• Operator: {{navy|Spain}}, 1 in service

• Durance-class replenishment oiler
• Builder: {{FRA}} / {{AUS}}
• Displacement: 17,900 tons
• Operators:
• {{navy|France}}: 4 in service
• {{navy|Argentina}}: 1 in service, former Durance
• {{navy|Australia}}: 1 in service as HMAS Success (built in Australia)
• HS Orion replenishment oiler
• Builder: {{GRC}}
• Displacement: 643 tons
• Operator: {{navy|Greece}}

• Fort Victoria-class replenishment oiler
• Builder: {{GBR}}
• Displacement: 32,818 tons
• Operator: {{navy|United Kingdom}}, (Image:British-Royal-Fleet-Auxiliary-Ensign.svg Royal Fleet Auxiliary), 1 in service

• Mashū-class replenishment oiler
• Builder: {{JPN}}
• Displacement: 25,000 tons
• Operator: {{navy|Japan}}: 2 in service

• {{HNoMS|Maud}} replenishment oiler
• Builder: {{KOR}} / {{NOR}}
• Displacement: 27,500 tons
• Operator: {{navy|Norway}}

• Patiño replenishment oiler
• Builder: {{ESP}}
• Displacement: 17,045 tons
• Operator: {{navy|Spain}}, 1 in service

• {{HMAS|Sirius|O 266|6}} replenishment tanker
• Builder: {{KOR}}
• Displacement: 25,000 tons
• Operator: {{navy|Australia}}: 1 in service

• Stromboli-class replenishment ship
• Builder: {{ITA}}
• Displacement: 8,700 tons
• Operator: {{navy|Italy|name=Marina Militare}}: 2 in service

• Tide-class replenishment oiler
• Builder: {{KOR}} / {{GBR}}
• Displacement: 39,000 tons
• Operator: {{navy|United Kingdom}}, (Image:British-Royal-Fleet-Auxiliary-Ensign.svg Royal Fleet Auxiliary), 4 in service

• Towada-class replenishment oiler
• Builder: {{JPN}}
• Displacement: 15,000 tons
• Operator: {{navy|Japan}}: 3 in service

• Beiyou 572-class replenishment oiler
• Builder: {{PRC}}
• Operator: {{navy|China}}: 4 in service

• Type 631-class replenishment oiler
• Builder: {{PRC}}
• Displacement: 2,300 tons
• Operator: {{navy|China}}: 7 in service

• Type 905 (Fuqing-class) replenishment oiler
• Builder: {{PRC}}
• Displacement: 21,750 tons
• Operator: {{navy|Pakistan}}: 1 in service

• Alyay-class fleet oiler (Project 160)
• Builder: {{FIN}}
• Displacement: 7,225 tons
• Operator: {{navy|Russia}}: 4 in service

• Boris Chilikin-class fleet oiler (Project 1559)
• Builder: {{URS}}
• Displacement: 22,460 tons
• Operator: {{navy|Russia}}: 4 in service

• BAP Tacna fleet oiler
• Builder: {{NLD}}
• Displacement: 17,040 tons
• Operator: {{navy|Peru}}, 1 in service

• Chesapeake-class transport tanker (AOT-5084)
• Builder: {{USA}}
• Displacement: 65,000 tons
• Operator: {{navy|United States}}: 2 in commission

• Dubna-class fleet oiler
• Builder: {{URS}}
• Displacement: 11,140 tons
• Operator: {{navy|Russia}}: 2 in service

• Gus W. Darnell-class transport tanker (AOT-1125)
• Builder: {{USA}}
• Displacement: 40,000 tons
• Operator: {{navy|United States}}: 5 in commission

• Henry J. Kaiser-class fleet oiler
• Builder: {{USA}}
• Displacement: 42,000 tons
• Operators:
• {{navy|United States}}: 13 in commission
• {{navy|Chile}}: 1 in commission

• Olekma-class fleet oiler
• Builder: {{FIN}}
• Displacement: 6,440 tons
• Operator: {{navy|Russia}}: 2 in service

• Panarea-class gasoline tanker
• Builder: {{ITA}}
• Displacement: 863 tons
• Operator: {{navy|Italy|name=Marina Militare}}: 4 in service

• Rhön-class tanker
• Builder: {{DEU}}
• Displacement: 14,169 tons
• Operator: {{navy|Germany}}, 2 in service

• Rover-class tanker
• Builder: {{GBR}}
• Displacement: 11,500 tons (loaded)
• Operators:
• {{navy|Indonesia}}, 1 in service
• {{navy|Portugal}}, 1 in service
• {{navy|United Kingdom}} (Image:British-Royal-Fleet-Auxiliary-Ensign.svg Royal Fleet Auxiliary), 2 in service

• Uda-class fleet oiler (Project 577)
• Builder: {{URS}}
• Displacement: 7,160 tons
• Operator: {{navy|Russia}}: 5 in service

• Vyaz'ma fleet oiler
• Displacement: 8,900 tons
• Operator: {{navy|Russia}}

• Walchensee-class tanker
• Builder: {{DEU}}
• Displacement: 2,191 tons
• Operator: {{navy|Germany}}, 2 in service

• Wave-class tanker
• Builder: {{GBR}}
• Displacement: 34,500 tons
• Operator: {{navy|United Kingdom}}, (Image:British-Royal-Fleet-Auxiliary-Ensign.svg Royal Fleet Auxiliary), 2 in service
• Albay Hakkı Burak class oil tanker
• Builder: {{TUR}}
• Displacement: 3,200 tons
• Operator: {{navy|Turkey}}: 2 in service

• Fuzhou-class coastal tanker
• Builder: {{PRC}}
• Displacement: 1,200 tons
• Operator: {{navy|China}}: 32 in service

• Jinyou-class coastal tanker
• Builder: {{PRC}}
• Displacement: 4,800 tons
• Operator: {{navy|China}}: 3 in service

• Khobi-class coastal tanker
• Builder: {{URS}}
• Displacement: 1,525 tons
• Operators:
• {{navy|Albania}}: 1 delivered in 1959

• Leizhou-class coastal tanker
• Builder: {{PRC}}
• Displacement: 900 tons
• Operator: {{navy|China}}: 9 in service

• Type 620 (Shengli-class) coastal tanker
• Builder: {{PRC}}
• Displacement: 4,940 tons
• Operator: {{navy|China}}: 2 in service

• Type 632 (Fulin-class) coastal tanker
• Builder: {{PRC}}
• Displacement: 2,200 tons
• Operator: {{navy|China}}: 19 in service

• Simeto-class water tanker
• Builder: {{ITA}}
• Displacement: 1,968 tons
• Operators:
• {{navy|Italy|name=Marina Militare}}: 2 in service
• {{navy|Tunisia}}: 1 in service

• Elbe-class (Type 404) tender
• Builder: {{DEU}}
• Displacement: 3,586 tons
• Operator {{navy|Germany}}: 6 in service

• Lubin-class small craft support ship
• Builder: BSO Split
• Displacement: 880 tons
• Operator: {{navy|Serbia and Montenegro}}: 1 in service of 3 built

• Rhin-class tender
• Displacement: 2,445 tons
• Operator: {{navy|France}}: 2 in service

• Vis small craft command and support ship
• Builder: ??{{cn|date=August 2020}}
• Displacement: 680 tons
• Operator: {{navy|Serbia and Montenegro}}

• Class A Balsam-class buoy tender
• Builder: {{USA}}
• Displacement: 1,025 tons
• Operators:
• {{navy|Estonia}}: 1 delivered in 1997 from the US Coast Guard
• {{coast guard|United States}}: 5 in commission

• Gasconade-class river buoy tender (WLR-75401)
• Builder: {{USA}}
• Displacement: 141 tons
• Operator: {{coast guard|United States}}: 9 in commission

• Juniper-class buoy tender (WLB-201)
• Builder: {{USA}}
• Displacement: 2,000 tons
• Operator: {{coast guard|United States}}: 16 in commission

• Keeper-class buoy tender
• Builder: {{USA}}
• Displacement: 840 tons
• Operator: {{coast guard|United States}}: 14 in commission

• Ouachita-class buoy tender (WLR-65501)
• Builder: {{USA}}
• Displacement: 143 tons
• Operator: {{coast guard|United States}}: 6 in service

• Type 066 class buoy tender
• Builder: {{PRC}}
• Displacement: 70 tons
• Operator: {{navy|China}}

• Type 744-class buoy tender
• Builder: {{PRC}}
• Displacement: 1750 tons
• Operator: {{navy|China}}

• Type 911I-class buoy tender
• Builder: {{PRC}}
• Displacement: 135 tons
• Operator: {{navy|China}}

• Type 999-class buoy tender
• Builder: {{PRC}}
• Displacement: 95 tons
• Operator: {{navy|China}}

• Alcyon-class ocean tug and buoy tender
• Displacement: 1,500 tons
• Operator: {{navy|France}}: 2 in service

• Type 904I-class dive tender
• Builder: {{PRC}}
• Displacement: 1,354.8 tons
• Operator: {{navy|China}}

• Type 904II-class dive tender
• Builder: {{PRC}}
• Displacement: 1,327 tons
• Operator: {{navy|China}}

• Vulcain diving tender
• Builder: {{FRA}}
• Displacement: 490 tons
• Operator: {{navy|France}}

• Kashtan submersible support ship
• Displacement: 5,250 tons
• Operator: {{navy|Russia}}

• Kommuna submersible support ship
• Displacement: 2,450 tons
• Operator: {{navy|Russia}}

• Malina-class submarine tender (Project 2020)
• Builder: {{URS}} / {{UKR}}
• Displacement: 13,900 tons
• Operator: {{navy|Russia}}: 3 in service

• Mercuur class submarine tender
• Builder: {{NLD}}
• Displacement: 1,400 Tons
• Operator: {{navy|Netherlands}}

• Pionier Moskvyy-class submersible support ship (Project 05360)
• Builder: {{URS}}
• Displacement: 7,960 tons
• Operator: {{navy|Russia}}: 4 in service

• Ugra-class submarine tender (Project 1886.1)
• Builder: {{URS}}
• Displacement: 9,650 tons
• Operator: {{navy|Russia}}: 2 in service

• Type 925 (Dajiang-class) submarine tender and salvage ship
• Builder: {{PRC}}
• Displacement: 10,087 tons
• Operator: {{navy|China}}: 3 in service

• Type 926-class submarine support ship
• Builder: {{PRC}}
• Displacement: 9,500 tons
• Operator: {{navy|China}}: 3 in service

• Bereza-class degaussing ship (Project 130)
• Builder: {{POL}}
• Displacement: 2,050 tons
• Operators:
• {{navy|Russia}}: 17 in service
• {{navy|Bulgaria}}: 1 in service

• Pelym-class degaussing ship (Project 1799)
• Builder: {{URS}}
• Displacement: 1,200 tons
• Operator: {{navy|Russia}}: 17 in service

• Type 911 degaussing ship
• Builder: {{PRC}}
• Operator: {{navy|China}}: 2 in service

• Type 912 degaussing ship
• Builder: {{PRC}}
• Displacement: 828 tons
• Operator: {{navy|China}}: 1 in service

• Type 912I degaussing ship
• Builder: {{PRC}}
• Operator: {{navy|China}}: 1 in service

• Type 912III (Yanbai class) degaussing ship
• Builder: {{PRC}}
• Displacement: 570 tons
• Operator: {{navy|China}}: 1 in service

• Type 912IIIA degaussing ship
• Builder: {{PRC}}
• Operator: {{navy|China}}: 2 in service

• Type 912IIIAH degaussing ship
• Builder: {{PRC}}
• Operator: {{navy|China}}: 3 in service

• Aditya-class replenishment and repair ship
• Builder: {{IND}}
• Displacement: 24,612 tons
• Operator: {{navy|India}}: 1 in service

• Amur-class repair ship (Project 304)
• Builder: {{POL}}
• Displacement: 5,500 tons
• Operator: {{navy|Russia}}: 11 in service

• Emory S. Land-class submarine tender/repair ship (AS-39)
• Builder: {{USA}}
• Displacement: 22,900 tons
• Operator: {{navy|United States}}: 2 in commission

• Garonne-class small repair ship
• Displacement: 2,320 tons
• Operator: {{navy|France}}

• Oskol-class repair ship (Project 300/301/303)
• Builder: {{POL}}
• Displacement: 2,700 tons
• Operator: {{navy|Russia}}: 8 in service

• Type 648 (Dadao-class) submarine repair ship
• Builder: {{PRC}}
• Displacement: 1,962 tons
• Operator: {{navy|China}}: 1 in service

• 120t class dry dock
• Builder: {{PRC}}
• Displacement: 526.49 tons
• Operator: {{navy|China}}: 1 in service

• Dongxiu 912-class dry dock
• Builder: {{PRC}}
• Operator: {{navy|China}}: 1 in service

• Hua Chuan No. 1-class dry dock
• Builder: {{PRC}}
• Displacement: 13,000 tons
• Operator: {{navy|China}}: 1 in service

• Dredger 1 dredger
• Builder: {{IND}}
• Operator: {{navy|India}}

• 8-m³ class dredger
• Builder: {{PRC}}
• Operator: {{navy|China}}

• Beijun 204-class dredger
• Builder: {{PRC}}
• Operator: {{navy|China}}

• Dongjun 417-class dredger
• Builder: {{PRC}}
• Operator: {{navy|China}}

• Dongjun 433-class dredger
• Builder: {{PRC}}
• Operator: {{navy|China}}

• Dongjun 434-class dredger
• Builder: {{PRC}}
• Operator: {{navy|China}}

• Nanjun 610-class dredger
• Builder: {{PRC}}
• Operator: {{navy|China}}

• Diamond State-class crane ship (ACS-7)
• Builder: {{USA}}
• Displacement: 31,500 tons
• Operator: {{navy|United States}}: 2 in commission

• Gopher State-class crane ship (ACS-4)
• Builder: {{USA}}
• Displacement: 25,000 tons
• Operator: {{navy|United States}}: 3 in commission

• Green Mountain State-class crane ship (ACS-9)
• Builder: {{USA}}
• Displacement: 31,500 tons
• Operator: {{navy|United States}}: 2 in commission

• Keystone State-class crane ship (ACS-1)
• Builder: {{USA}}
• Displacement: 31,500 tons
• Operator: {{navy|United States}}: 3 in commission

• Anvil-class inland construction tender (WLIC-75301)
• Builder: {{USA}}
• Displacement: 145 tons
• Operator: {{coast guard|United States}}: 8 in service

• Pamlico-class inland construction tender (WLIC-800)
• Builder: {{USA}}
• Displacement: 416 tons
• Operator: {{coast guard|United States}}: 4 in commission

• Type 890 (Youzheng-class) cable ship
• Builder: {{PRC}}
• Displacement: 750 tons
• Operator: {{navy|China}}: 3 in service

• Type 991II (Youdian-class) cable ship
• Builder: {{PRC}}
• Displacement: 1,550 tons
• Operator: {{navy|China}}: 9 in service, including 3 modified as buoy tenders

• USNS Zeus cable ship (ARC-7)
• Displacement: 15,000 tons
• Operator: {{navy|United States}}

• Hibiki-class ocean surveillance ship
• Builder: {{JPN}}
• Displacement: 3,861 tons
• Operator: {{navy|Japan}}: 2 in service

• Impeccable-class Ocean Surveillance Ship (T-AGOS-23)
• Displacement: 5,368 tons
• Operator: {{navy|United States}}

• Stalwart-class Ocean Surveillance Ship (T-AGOS-1)
• Builder: {{USA}}
• Displacement: 2,285 tons
• Operators
• {{navy|United States}}
• {{navy|Portugal}}: 2 in service

• Victorious-class Ocean Surveillance Ship (T-AGOS-19)
• Builder: {{USA}}
• Displacement: 3,370 tons
• Operator: {{navy|United States}}: 4 in commission

• Alpinist-class electronic surveillance ships (Project 503M)
• Builder: {{URS}}
• Displacement: 1,140 tons
• Operator: {{navy|Russia}}: 3 in service

• Bougainville electronic surveillance ship
• Displacement: 10,250 tons
• Operator: {{navy|France}}

• FS Eger electronic surveillance ship
• Builder: {{NOR}}
• Displacement: 7,560 tons
• Operator: {{navy|Norway}}

• Elettra-class electronic surveillance ship
• Builder {{ITA}}
• Displacement: 3,180 tons
• Operators:
• {{navy|Italy|name=Marina Militare}}, NATO: 1 in service
• {{navy|Italy|name=Marina Militare}}: 1 in service
• {{navy|Republic of China}}: 1 in service

• Lira-class electronic surveillance ship (Project 1826)
• Builder: {{URS}}
• Displacement: 4,900 tons
• Operator: {{navy|Russia}}: 1 in service

• FS Marjata electronic surveillance ship
• Builder: {{NOR}}
• Displacement: 5,300 tons
• Operator: {{navy|Norway}}

• Oste-class (Type 423) electronic surveillance ship
• Builder: {{DEU}}
• Displacement: 3,200 tons
• Operator: {{navy|Germany}}: 3 in service

• Primor'ye-class electronic surveillance ship (Project 394B)
• Builder: {{URS}}
• Displacement: 4,340 tons
• Operator: {{navy|Russia}}: 2 in service

• Vishnaya-class electronic surveillance ship (Project 864)
• Builder: {{URS}}
• Displacement: 3,470 tons
• Operator: {{navy|Russia}}: 7 in service

• Type 814A (Dadie-class) electronic surveillance ship
• Builder: {{PRC}}
• Displacement: 2,198 tons
• Operator: {{navy|China}}: 1 in service

• Type 815-class electronic surveillance ship
• Builder: {{PRC}}
• Displacement: 6,000 tons
• Operator: {{navy|China}}: 1 in service

• Type 815A-class electronic surveillance ship
• Builder: {{PRC}}
• Operator: {{navy|China}}: 4 in service

• Type 815G-class electronic surveillance ship
• Builder: {{PRC}}
• Operator: {{navy|China}}: 4 in service
• Ufuk class signals intelligence gathering vessel
• Builder: {{TUR}}
• Displacement: 2250 tons
• Operator: {{navy|Turkey}}: 1 in service

• Monge missile tracking ship
• Displacement: 21,040 tons
• Operator: {{navy|France}}

• Observation Island Missile Range Instrumentation Ship (T-AGM-23)
• Displacement: 17,000 tons
• Operator: {{navy|United States}}

• Waters navigation research and missile tracking ship (T-AGS-45)
• Displacement: 12,000 tons
• Operator: {{navy|United States}}

• Yuan Wang-class missile tracking and space event support ship
• Builder: {{PRC}}
• Displacement: 21,000 tons
• Operator: {{navy|China}}: 4 in service

• Alliance (A 5345) research ship
• Builder: {{ITA}}
• Displacement: 3,120 tons
• Operator: {{navy|Italy|name=Marina Militare}}, NATO

• {{JS|Asuka}} experimental ship
• Builder: {{JPN}}
• Displacement: 6,299 tons
• Operator: {{navy|Japan}}

• RV Belgica coastal research ship
• Displacement: 835 tons
• Operator: {{UKR}}

• Helmsand-class trial and fleet service ships (Type 748)
• Builder: {{DEU}}
• Operator: {{navy|Germany}}: 3 in service

• Leonardo (A 5301) research ship
• Builder {{ITA}}
• Displacement: 337 tons
• Operator: {{navy|Italy|name=Marina Militare}}

• Planet-class (Type 751) research ship (SWATH vessel)
• Builder: {{DEU}}
• Displacement: 3,500 tons
• Operator: {{navy|Germany}}: 1 in service

• Rossetti-class research ship
• Builder: {{ITA}}
• Displacement: 324 tons
• Operator: {{navy|Italy|name=Marina Militare}}, 2 in service

• Shijian-class research ship
• Builder: {{PRC}}
• Displacement: 3,000 tons
• Operator: {{navy|China}}: 3 in service

• Type 6610 (Shuguang-class) research ship
• Builder: {{PRC}}
• Displacement: 2,400 tons
• Operator: {{navy|China}}: 8 in service

• Wilhelm Pullwer-class trial boat (Type 741)
• Builder: {{DEU}}
• Operator: {{navy|Germany}}: 1 in service

• Xiangyanghong-class research ship
• Builder: {{PRC}}
• Displacement: 10,000 tons
• Operator: {{navy|China}}: 12 in service in various configurations

• Yanlun-class research ship
• Builder: {{PRC}}
• Displacement: 2,000 tons
• Operator: {{navy|China}}: 3 in service

• Yannan-class research ship
• Builder: {{PRC}}
• Displacement: 1,750 tons
• Operator: {{navy|China}}: 4 in service

• USNS Hayes acoustic trials ship (T-AG-195)
• Displacement: 4,000 tons
• Operator: {{navy|United States}}

• {{INS|Sagardhwani|A74|6}} acoustic research ship
• Builder: {{IND}}
• Displacement: 2,083 tons
• Operator: {{navy|India}}

• Baldur-class coastal survey ship
• Builder: {{ISL}}
• Displacement: 50 tons
• Operator: {{navy|Iceland}}: 1 in commission

• ARA Comodoro Rivadavia coastal hydrographic survey ship
• Builder: {{ARG}}
• Displacement: 827 tons
• Operator: {{navy|Argentina}}

• USNS John McDonnell coastal survey ship (T-AGS-51)
• Builder: {{USA}}
• Displacement: 2,000 tons
• Operator: {{navy|United States}}: 2 in commission

• Lapérouse-class survey ship
• Displacement: 980 tons
• Operator: {{navy|France}}: 4 in service

• Makar-class hydrographic survey catamaran
• Builder: {{IND}}
• Displacement: 500 tons
• Operator: {{navy|India}}

• Moma-class survey ship (Project 861)
• Builder: {{URS}} / {{POL}}
• Displacement: 1,600 tons
• Operator: {{navy|Croatia}}: 1 in service

• Sandhayak-class survey ship
• Builder: {{IND}}
• Displacement: 1,960 tons
• Operator: {{navy|India}}: 7 in service

• HMS Scott ocean survey vessel
• Builder {{GBR}}
• Displacement: 13,500 tons
• Operator: {{navy|United Kingdom}} 1 in service

• Type 635 A/B/C (Yanlai class) hydrographic survey ship
• Builder: {{PRC}}
• Displacement: 1,100 tons
• Operator: {{navy|China}}: 4 in service

• Valerian Uryvayav-class survey ship
• Builder: {{URS}}
• Displacement: 1,050 tons
• Operators:
• {{navy|Lithuania}}: 1 delivered in 1991 for training and coastal survey
• Çubuklu class survey ship
• Builder: {{TUR}}
• Displacement: 643 tons
• Operator: {{navy|Turkey}}: 1 in service

• ARA Austral (Q-21) hydro-oceanographic survey ship
• Builder: {{DEU}}
• Displacement: 4,952 tons
• Operator: {{navy|Argentina}}

• Ninfe-class hydro-oceanographic research ship
• Builder {{ITA}}
• Displacement: 415 tons
• Operator: {{navy|Italy|name=Marina Militare}}: 2 in service

• Cabo de Hornos oceanographic research ship
• Builder: {{NOR}} / ASMAR Chile {{CHL}}
• Displacement: 3,020 tons
• Operator: {{navy|Chile}}: 1 in service

• Ammiraglio Magnaghi oceanographic research ship
• Builder {{ITA}}
• Displacement: 1,744 tons
• Operator: {{navy|Italy|name=Marina Militare}}

• Melville-class oceanographic research/survey ship (T-AGOR-14)
• Builder: {{USA}}
• Displacement: 2,670 tons
• Operator: {{navy|United States}}: 2 in commission

• Pathfinder-class oceanographic research/survey ship (AGS 60)
• Builder: {{USA}}
• Displacement: 4,750 tons
• Operator: {{navy|United States}}: 6 in commission

• Thomas G. Thompson class oceanographic research/survey ship (T-AGOR-23)
• Builder: {{USA}}
• Displacement: 3,250 tons
• Operator: {{navy|United States}}: 3 in commission
• Çeşme class oceanographic survey ship
• Builder: {{USA}}
• Displacement: 2,550 tons
• Operator: {{navy|Turkey}}: 1 in service

• BIO Las Palmas polar oceanographic research vessel
• Builder: {{ESP}}
• Displacement: 1,500 tons
• Operator: {{navy|Spain}}

• ARA Puerto Deseado polar oceanographic survey vessel
• Builder: {{ARG}}
• Displacement: 2,400 tons
• Operator: {{navy|Argentina}}

• Eisvogel-class icebreaker
• Builder: {{DEU}}
• Displacement: 560 tons
• Operators:
• {{navy|Italy|name=Marina Militare}}: 1 in service
• {{navy|Netherlands}}: 1 in service

• Type 272 class icebreaker
• Builder: {{PRC}}
• Displacement: 4,860 tons
• Operator: {{navy|China}}: 2 in service

• USCGC Mackinaw lake icebreaker (WLBB-30)
• Displacement: 3,500 tons
• Operator: {{coast guard|United States}}

• Type 071G class icebreaker and electronic surveillance ship
• Builder: {{PRC}}
• Displacement: 3,192 tons
• Operator: {{navy|China}}: 1 in service

• Type 210 class electronic surveillance / hydrographic research icebreaker
• Builder: {{PRC}}
• Displacement: 4,420 tons
• Operator: {{navy|China}}: 1 in service

• USCGC Healy polar icebreaker (WAGB-20)
• Builder: {{USA}}
• Displacement: 16,400 tons
• Operator: {{coast guard|United States}}

• Polar-class polar icebreaker (WAGB-10)
• Builder: {{USA}}
• Displacement: 13,600 tons
• Operator: {{coast guard|United States}}: 1 in commission

• Shirase (AGB-5003) polar icebreaker
• Builder: {{JPN}}
• Displacement: 20,000 tons
• Operator: {{navy|Japan}}

• NoCGV Svalbard polar icebreaker/offshore patrol vessel
• Builder: {{NOR}}
• Displacement: 6,500 tons
• Operator: {{navy|Norway}}

• ARA Almirante Irízar polar research icebreaker
• Builder: {{FIN}}
• Displacement: 14,899 tons
• Operator: {{navy|Argentina}}

• BIO Hespérides polar oceanographic research icebreaker
• Builder: {{ESP}}
• Displacement: 2750 tons
• Operator: {{navy|Spain}}

• Bay-class icebreaking tug (WTGB-101)
• Builder: {{USA}}
• Displacement: 660 tons
• Operator: {{coast guard|United States}}: 9 in commission

• Etna-class Logistics Support Vessel
• Builder: {{ITA}}
• Displacement: 13,400 tons
• Operator:
• {{navy|Italy|name=Marina Militare}}: 1 in service
• {{navy|Greece}}: 1 in service

• Honqui-class coastal freighter
• Builder: {{PRC}}
• Displacement: 1,950 tons
• Operator: {{navy|China}}: 7 in service

• Qiongsha-class cargo ship
• Builder: {{PRC}}
• Displacement: 2,150 tons
• Operator: {{navy|China}}: 1 in service

• HNoMS Valkyrien support ship
• Builder: {{NOR}}
• Displacement: 3,000 tons
• Operator: {{navy|Norway}}: 1 in service

• Vulcano-class Logistics Support Ship
• Builder: {{ITA}}
• Displacement: 23,500 tons
• Operator: {{navy|Italy|name=Marina Militare}}: 1 on building
• Yüzbaşı Güngör Durmuş class Logistics Support Ship
• Builder: {{TUR}}
• Displacement: 8,477 tons
• Operator: {{navy|Turkey}}: 2 in service

• {{HMNZS|Canterbury|L421|6}} multi role vessel
• Builder: {{NLD}} / {{AUS}}
• Displacement: 9,000 tons
• Operator: {{navy|New Zealand}}

• Cape Ann-class general cargo ship (AK-5009)
• Builder: {{USA}}
• Displacement: 20,110 tons
• Operator: {{navy|United States}}: 4 in commission

• Cape Breton-class general cargo ship (AK-5056)
• Builder: {{USA}}
• Displacement: 21,000 tons
• Operator: {{navy|United States}}: 4 in commission

• Cape Girardeau-class container/bulk cargo ship (AK-2039)
• Builder: {{USA}}
• Displacement: 32,000 tons
• Operator: {{navy|United States}}: 2 in commission

• Cape John-class general cargo ship (AK-5022)
• Builder: {{USA}}
• Displacement: 23,000 tons
• Operator: {{navy|United States}}: 4 in commission

• Costa Sur-class container/general cargo ship
• Builder: {{ARG}}
• Displacement: 10,894 tons
• Operator: {{navy|Argentina}}: 3 in service

• MV Asterix container ship
• Builder: {{DEU}}
• Operator: {{navy|Canada}}

• Page class container ship (AKR-4496)
• Builder: {{USA}}
• Displacement: 74,500 tons
• Operator: {{navy|United States}}: 2 in commission

• 1st Lt Harry L. Martin Marine Corps prepositioning ship (AK-3015)
• Builder: {{DEU}}
• Displacement: 51,531 tons
• Operator: {{navy|United States}}

• 2nd Lieutenant John P. Bobo-class Marine Corps prepositioning ship (AK-3008)
• Builder: {{USA}}
• Displacement: 46,000 tons
• Operator: {{navy|United States}}: 5 in commission

• Gordon-class army prepositioning ship (AKR-296)
• Builder: {{DNK}} / {{USA}}
• Displacement: 65,000 tons
• Operator: {{navy|United States}}: 2 in commission

• Corporal Louis J. Hauge Jr.-class Marine Corps prepositioning ship (AK-3000)
• Builder: {{USA}}
• Displacement: 44,000 tons
• Operator: {{navy|United States}}: 5 in commission

• Sergeant Matej Kocak-class Marine Corps prepositioning ship (AK-3005)
• Builder: {{USA}}
• Displacement: 51,612 tons
• Operator: {{navy|United States}}: 3 in commission

• LCPL Roy M. Wheat Marine Corps prepositioning ship (AK-3016)
• Builder: {{URS}} / {{USA}}
• Displacement: 50,570 tons
• Operator: {{navy|United States}}

• Shughart-class army prepositioning ship (AKR-295)
• Builder: {{DNK}}
• Displacement: 54,300 tons
• Operator: {{navy|United States}}: 2 in commission

• Algol-class fast vehicle cargo ship (AKR 287)
• Builder: {{NLD}}
• Displacement: 55,355 tons
• Operator: {{navy|United States}}: 8 in commission

• Bob Hope-class army vehicle prepositioning ship (AKR-300)
• Builder: {{USA}}
• Displacement: 62,000 tons
• Operator: {{navy|United States}}: 7 in commission

• Cape Ducato-class roll-on/roll-off vehicle cargo ship (AKR-5051)
• Builder: {{FRA}} / {{SWE}}
• Displacement: 34,790 tons
• Operator: {{navy|United States}}: 5 in commission

• Cape Hudson-class vehicle cargo ship (AKR-5066)
• Builder: {{JPN}} / {{NOR}}
• Displacement: 51,000 tons
• Operator: {{navy|United States}}: 3 in commission

• Cape Island-class vehicle cargo ship (AKR-10)
• Builder: {{USA}}
• Displacement: 33,900 tons
• Operator: {{navy|United States}}: 4 in commission

• Cape Knox-class vehicle cargo ship (AKR-5082)
• Builder: {{JPN}}
• Displacement: 29,200 tons
• Operator: {{navy|United States}}: 2 in commission

• Cape Lambert-class vehicle cargo ship (AKR-5077)
• Builder: {{USA}}
• Displacement: 30,360 tons
• Operator: {{navy|United States}}: 2 in commission

• Cape Rise-class vehicle cargo ship (AKR-9678)
• Builder: {{USA}}
• Displacement: 32,000 tons
• Operator: {{navy|United States}}: 3 in commission

• Cape Texas-class vehicle cargo ship (AKR-112)
• Builder: {{USA}}
• Displacement: 24,550 tons
• Operator: {{navy|United States}}: 3 in commission

• Cape Vincent-class vehicle cargo ship (AKR-9666)
• Builder: {{USA}}
• Displacement: 28,200 tons
• Operator: {{navy|United States}}: 2 in commission

• Cape Washington-class vehicle cargo ship (AKR-9961)
• Builder: {{POL}}
• Displacement: 53,600 tons
• Operator: {{navy|United States}}: 2 in commission

• General Frank S. Besson-class Logistics Support Vessel (LSV-1)
• Builder: {{USA}}
• Displacement: 4,199 long tons
• Operator:
• {{navy|United States}}: 8 in commission
• {{navy|Philippines}}: 2 in commission

• GySgt Fred W. Stockham army prepositioning ship (AK-3017)
• Builder: {{DNK}}
• Displacement: 55,500 tons
• Operator: {{navy|United States}}

• Round Table-class Landing Ship Logistic
• Builder: {{GBR}}
• Displacement: 6,000 to 8,751 tons
• Operator: {{navy|Brazil}}: 2 in service

• LTC Calvin P. Titus-class container/vehicle cargo ship (AK-5089)
• Builder: {{USA}}
• Displacement: 48,000 tons
• Operator: {{navy|United States}}: 3 in commission

• Watson-class army prepositioning ship (AKR-310)
• Builder: {{USA}}
• Displacement: 62,600 tons
• Operator: {{navy|United States}}: 8 in commission

• Wright-class aviation logistics ship (T-AVB-3)
• Builder: {{USA}}
• Displacement: 23,800 tons
• Operator: {{navy|United States}}: 2 in commission

• Cape Fear-class barge carrier (AK-5061)
• Builder: {{USA}}
• Displacement: 44,250 tons
• Operator: {{navy|United States}}: 2 in commission

• Cape Flattery-class barge carrier (AK-5070)
• Builder: {{USA}}
• Displacement: 62,300 tons
• Operator: {{navy|United States}}: 2 in commission

• Qiongsha-class troop ship
• Builder: {{PRC}}
• Displacement: 2,150 tons
• Operator: {{navy|China}}: 4 in service
• TCG İskenderun (A-1600) troop transport ship
• Builder: {{TUR}}
• Displacement: 7,948 tons
• Operator: {{navy|Turkey}}: 1 in service

• Green Wave polar logistics ship (AK-2050)
• Builder: {{FRG}}
• Displacement: 9,500 tons
• Operator: {{navy|United States}}

• Type 633 class heavy-lift ship
• Builder: {{PRC}}
• Operator: {{navy|China}}: 1 in service

• Type 922 class rescue and salvage ship
• Builder: {{PRC}}
• Displacement: 3,400 tons
• Operator: {{navy|China}}: 1 in service

• Type 922II (Dalang class) rescue and salvage ship
• Builder: {{PRC}}
• Displacement: 4,450 tons
• Operator: {{navy|China}}: 1 in service

• Type 922III (Dalang II class) rescue and salvage ship
• Builder: {{PRC}}
• Operator: {{navy|China}}: 1 in service

• Type 922IIIA (Dalang II class) rescue and salvage ship
• Builder: {{PRC}}
• Operator: {{navy|China}}: 3 in service
• Işın class rescue and salvage ship
• Builder: {{TUR}}
• Displacement: 2,400 tons
• Operator: {{navy|Turkey}}: 2in service

• Abeille Flandre-class large salvage tug
• Displacement: 3,800 tons
• Operator: {{navy|France}}: 2 in service

• Daozha-class salvage tug
• Builder: {{PRC}}
• Displacement: 4,000 tons
• Operator: {{navy|China}}: 1 in service

• Fehmarn-class (Type 720) salvage tug
• Builder: {{DEU}}
• Displacement: 1,310 tons
• Operator: {{navy|Germany}}

• Ingul-class salvage tug (Project 1452/1453)
• Builder: {{URS}}
• Displacement: 4,000 tons
• Operator: {{navy|Russia}}: 4 in service

• Neftegaz-class salvage tug (Project B-92)
• Builder: {{POL}}
• Displacement: 4,000 tons
• Operator: {{navy|Russia}}: 3 in service

• Prut-class salvage tug (Project 527M)
• Builder: {{URS}}
• Displacement: 3,330 tons
• Operator: {{navy|Russia}}: 2 in service

• Safeguard-class salvage tug (ARS-50)
• Builder: {{USA}}
• Displacement: 3,300 tons
• Operator: {{navy|United States}}: 4 in commission

• Sliva-class salvage tug (Project 712)
• Builder: {{FIN}}
• Displacement: 3,000 tons
• Operator: {{navy|Russia}}: 3 in service

• Tuozhong-class salvage tug
• Builder: {{PRC}}
• Displacement: 3,600 tons
• Operator: {{navy|China}}: 4 in service

• Fire-class fireboat
• Builder: {{CAN}}
• Displacement: 140 tons
• Operator: {{navy|Canada}}: 1 in service

• Iva-class fire rescue tug (Project B-99)
• Builder: {{POL}}
• Displacement: 2,300 tons
• Operator: {{navy|Russia}}: 4 in service

• Katun-class fire tug (Project 1893/1993)
• Builder: {{URS}}
• Displacement: 1,200 tons
• Operator: {{navy|Russia}}: 13 in service

• San Juan-class Search and Rescue Vessel
• Builder: {{AUS}}
• Displacement: 540 tons
• Operator: Philippine Coast Guard: 4 in service

• Ilocos Norte class Search and Rescue Vessel
• Builder: {{AUS}}
• Displacement: 120 tons
• Operator: Philippine Coast Guard: 4 in service

• Type 917 class rescue ship
• Builder: {{PRC}}
• Operator: {{navy|China}}: 2 in service

• Alagez submarine salvage and rescue ship (Project 537)
• Displacement: 14,300 tons
• Operator: {{navy|Russia}}

• {{TCG|Alemdar}} submarine rescue ship
• Builder: {{TUR}}
• Displacement: 4,200 tons
• Operator: {{navy|Turkey}}

• Amatista Mod-class submarine rescue ship
• Builder: {{ESP}}
• Displacement: 1,860 tons
• Operator: {{navy|Spain}}: 1 in service

• HSwMS Belos submarine rescue ship.
• Operator: {{navy|Sweden}}

• Anteo submarine rescue ship
• Builder: {{ITA}}
• Displacement: 3,874 tons
• Operator: {{navy|Italy|name=Marina Militare}}

• Cheonghaejin class submarine rescue ship
• Builder: {{KOR}}
• Displacement: 4,300 tons
• Operator: {{navy|South Korea}}: 1 in service

• {{JS|Chihaya}} submarine rescue ship
• Builder: {{JPN}}
• Displacement: 7,011 tons
• Operator: {{navy|Japan}}

• {{JS|Chiyoda|2016|6}} submarine rescue ship
• Builder: {{JPN}}
• Displacement: 7,214 tons
• Operator: {{navy|Japan}}

• Type 930 (Hudong class) submarine rescue ship
• Builder: {{PRC}}
• Displacement: 2,500 tons
• Operator: {{navy|China}}: 1 in service

• Type 946 (Dazhou class) submarine rescue ship
• Builder: {{PRC}}
• Displacement: 1,100 tons
• Operator: {{navy|China}}: 2 in service

• Type 946A (Dadong class) submarine rescue ship
• Builder: {{PRC}}
• Displacement: 1,500 tons
• Operator: {{navy|China}}: 1 in service

• {{INS|Astradharani}} torpedo launch and recovery vessel
• Builder: {{IND}}
• Displacement: 650 tons
• Operator: {{navy|India}}

• {{sclass|Cape Flattery|torpedo trials craft}}
• Builder: {{USA}}
• Displacement: 1190 tons
• Operator: {{navy|United States}}: 2 in service

• Type 803 class torpedo retriever
• Builder: {{PRC}}
• Displacement: 94.67 tons
• Operator: {{navy|China}}

• Type 906 class torpedo trials craft
• Builder: {{PRC}}
• Displacement: 2,300 tons
• Operator: {{navy|China}}: 1 in service

• Type 907A class torpedo trials craft
• Builder: {{PRC}}
• Displacement: 615 tons
• Operator: {{navy|China}}: 1 in service

• Type 917 class torpedo retriever
• Builder: {{PRC}}
• Displacement: 742.5 tons
• Operator: {{navy|China}}: 7 in service

• Bottsand-class (Type 738) oil recovery ship
• Builder: {{DEU}}
• Displacement: 650 tons
• Operator: {{navy|Germany}}: 2 in service

• Halli pollution control ship
• Builder: {{FIN}}
• Displacement: 2,100 tons
• Operator: {{navy|Finland}}

• Hylje pollution control ship
• Builder: {{FIN}}
• Displacement: 1,400 tons
• Operator: {{navy|Finland}}

• Louhi pollution control ship
• Builder: {{FIN}}
• Displacement: 3,450 tons
• Operator: {{navy|Finland}}

• Glen-class tug
• Builder: {{CAN}}
• Displacement: 259 tons
• Operator: {{navy|Canada}}: 5 in service

• Habagat-class MT Tug (TB-271)
• Builder: {{PHL}}
• Displacement: unknown
• Operator: Philippine Coast Guard

• IRS-class tug
• Builder: {{IND}}
• Displacement: 472 tons
• Operator: {{navy|India}}: 3 in service

• Chieftain anchor handling tug supply vessel
• Builder: {{DEU}}
• Displacement: 2,028 tons
• Operator: {{navy|Norway}}: 1 in service

• Rari-class supply tug
• Displacement: 1,550 tons
• Operator: {{navy|France}}: 2 in service

• Capstan-class (65 Foot) small harbour tug (WYTL-65601)
• Builder: {{USA}}
• Displacement: 72 tons
• Operator: {{coast guard|United States}}: 10 in commission

• Lütje Hörn-class (Type 725) harbour tug
• Builder: {{DEU}}
• Operator: {{navy|Germany}}: 6 in service

• Porto-class harbour tug
• Builder: {{ITA}}
• Displacement: 412 tons
• Operator: {{navy|Italy|name=Marina Militare}}: 11 in service

• Sleipner-class harbour tug
• Builder: {{NOR}}
• Displacement: 300 tons
• Operator: {{navy|Norway}}: 2 in service

• Sylt-class (Type 724) large harbour tug
• Builder: {{DEU}}
• Operator: {{navy|Germany}}: 2 in service

• Ville-class harbour tug
• Builder: {{CAN}}
• Displacement: 46 tons
• Operator: {{navy|Canada}}: 5 in service

• Wustrow-class (Type 414) harbour tug
• Builder: {{DEU}}
• Operator: {{navy|Germany}}: 2 in service

• Belier-class coastal tug
• Displacement: 800 tons
• Operator: {{navy|France}}: 3 in service

• Chamois-class coastal tug and logistical support ship
• Displacement: 505 tons
• Operator: {{navy|France}}: 1 in service

• Abnaki class fleet ocean tug
• Builder: {{USA}}
• Displacement: 1,589 tons
• Operators:
• {{navy|Argentina}}: 2 in service
• {{navy|Ecuador}}: 1 in service

• Atlante-class ocean tug
• Builder: {{ITA}}
• Displacement: 750 tons
• Operator: {{navy|Italy|name=Marina Militare}}: 2 in service

• Barentshav-class offshore patrol vessel
• Builder: {{NOR}}
• Displacement: 3,200 tons
• Operator: {{navy|Norway}}: 3 in commission

• Ciclope-class ocean tug
• Builder: {{ITA}}
• Displacement: 660 tons
• Operator: {{navy|Italy|name=Marina Militare}}: 6 in service

• {{INS|Gaj|2002|6}} offshore tug
• Builder: {{IND}}
• Displacement: 560 tons
• Operator: {{navy|India}}

• Goliat-class ocean tug (Project 733)
• Builder: {{URS}}
• Displacement: 890 tons
• Operator: {{navy|Russia}}: 25 in service

• Helgoland-class large sea-going tug
• Builder: {{DEU}}
• Operators:
• {{navy|Germany}}: 1 in service
• {{navy|Uruguay}}: 1 in service

• MB-330 class ocean tug
• Builder: {{SGP}}
• Displacement: 1,180 tons
• Operator: {{navy|Russia}}: 1 in service

• Powhatan class fleet ocean tug (ATF 168)
• Builder: {{USA}}
• Displacement: 2,260 tons
• Operator: {{navy|United States}}: 5 in commission

• Roslavl-class ocean tug (Project A-202)
• Builder: {{URS}} / {{PRC}}
• Displacement: 625 tons
• Operators:
• {{navy|Russia}}: 11 in service
• {{navy|China}}: 4 in service

• Sorum-class fleet seagoing tug (Project 745)
• Builder: {{URS}}
• Displacement: 1,656 tons
• Operator: {{navy|Russia}}: 22 in service

• Tenace-class ocean tug
• Displacement: 1,400 tons
• Operator: {{navy|France}}: 2 in service

• Type 802 Gromovoy class ocean tug
• Builder: {{URS}} / {{PRC}}
• Displacement: 890 tons
• Operator: {{navy|China}}: 17 in service

• Type 837 Hujiu class ocean tug
• Builder: {{PRC}}
• Displacement: 750 tons
• Operator: {{navy|China}}: 8 in service

• Wangerooge-class seagoing tug
• Builder: {{DEU}}
• Displacement: 798 tons
• Operators:
• {{navy|Germany}}: 2 in service
• {{navy|Uruguay}}: 1 in service

• Dinghai-class fleet tug
• Builder: {{PRC}}
• Displacement: 1,470 tons
• Operator: {{navy|China}}: 2 in service

• Goryn-class fleet tug (Project 563)
• Builder: {{FIN}}
• Displacement: 2,200 tons
• Operator: {{navy|Russia}}: 9 in service

:See :Category:Training ships

• Amerigo Vespucci Tall ship
• Builder: {{ITA}}
• Displacement: 4,146 tons
• Operator: {{navy|Italy|name=Marina Militare}}: 1 in service

• RFA Argus Aviation training ship
• Builder {{GBR}}
• Displacement 28,081 tons
• Operator: {{navy|United Kingdom}}, (Image:British-Royal-Fleet-Auxiliary-Ensign.svg Royal Fleet Auxiliary), 1 in service

• Arung Samudera Tall ship
• Operator: {{navy|Indonesia}}

• Capitán Miranda Tall ship
• Builder: {{ESP}}
• Displacement: 852 tons
• Operator: {{navy|Uruguay}}

• Cisne Branco Tall ship
• Builder: {{NLD}}
• Displacement: 1,038 tons
• Operator: {{navy|Brazil}}

• UAM Creoula Tall ship
• Builder: {{PRT}}
• Displacement: 1,321 tons
• Operator: {{navy|Portugal}}

• {{KRI|Dewaruci}} Tall ship
• Builder: {{DEU}}
• Operator: {{navy|Indonesia}}

• Fabian Wrede-class training ship
• Builder: {{FIN}}
• Displacement: 65 tons
• Operator: {{navy|Finland}}: 3 in service

• USCGC Eagle Tall ship
• Builder: {{flag|Germany|Nazi}}
• Displacement: 1,813 tons
• Operator: {{coast guard|United States}}

• NRP Sagres Tall ship
• Builder: Blohm & Voss {{DEU}}
• Displacement: 1,755 long tons (1,783 tons)
• Operator: {{navy|Portugal}}
• Sister ship to USCGC Eagle

• Mircea Tall ship
• Builder: Blohm & Voss {{DEU}}
• Operator: {{navy|Romania}}
• Sister ship to USCGC Eagle and NRP Sagres

• Gorch Fock Tall ship
• Builder: {{DEU}}
• Displacement: 2,006 tons
• Operator: {{navy|Germany}}
• Sister ship to USCGC Eagle, NRP Sagres, and Mircea

• ARC Gloria Tall ship
• Builder: {{ESP}}
• Displacement: 1,300 tons
• Operator: {{navy|Colombia}}

• BAE Guayas Tall ship
• Builder: {{ESP}}
• Displacement: 1,300 tons
• Operator: {{navy|Ecuador}}
• Sister ship to ARC Gloria

• Simón Bolívar Tall ship
• Builder: {{ESP}}
• Displacement: 1,260 tons
• Operator: {{navy|Venezuela}}
• Sister ship to ARC Gloria and BAE Guayas

• ARM Cuauhtémoc Tall ship
• Builder: {{ESP}}
• Displacement: 1,800 tons
• Operator: {{navy|Mexico}}
• Sister ship to ARC Gloria, BAE Guayas, and Simón Bolívar

• Hiuchi-class training support ship
• Builder: {{JPN}}
• Displacement: 1,000 tons
• Operator: {{navy|Japan}}: 5 in service

• HNoMS Horten training ship
• Builder: {{NOR}}
• Displacement: 2,535 tons
• Operator: {{navy|Norway}}

• Intermares training ship
• Builder: {{ESP}}
• Displacement: 3,200 tons
• Operator: {{navy|Spain}}

• Juan Sebastián de Elcano Tall ship
• Builder: {{ESP}}
• Displacement: 3,673 tons
• Operator: {{navy|Spain}}

• Esmeralda Tall ship
• Builder: {{ESP}}
• Displacement: 3,754 tons
• Operator: {{navy|Chile}}
• Sister ship to Juan Sebastián de Elcano

• ARA Libertad Tall ship
• Builder: {{ARG}}
• Displacement: 3,765 tons
• Operator: {{navy|Argentina}}

• Mhadei-class training sailboat
• Builder: {{IND}}
• Displacement: 23 tons
• Operator: {{navy|India}}: 2 in service

• {{HMCS|Oriole}} training sailboat
• Builder: {{USA}}
• Displacement: 93 tons
• Operator: {{navy|Canada}}

• Palinuro Tall ship
• Builder: {{FRA}}
• Displacement: 1,341 tons
• Operator: {{navy|Italy|name=Marina Militare}}: 1 in service

• Shiyan training ship
• Displacement: 6,000 tons
• Operator: {{navy|China}}

• {{INS|Tarangini|A75|6}} Tall ship
• Builder: {{IND}}
• Displacement: 513 tons
• Operator: {{navy|India}}

• {{INS|Sudarshini|A77|6}} Tall ship
• Builder: {{IND}}
• Displacement: 513 tons
• Operator: {{navy|India}}
• Sister ship to {{INS|Tarangini|A75|6}}

• {{INS|Tir|A86|6}} training ship
• Builder: {{IND}}
• Displacement: 3,200 tons
• Operator: {{navy|India}}

• Type 82 training ship
• Builder: {{GBR}}
• Displacement: 6,000 tons
• Operator: {{navy|United Kingdom}} 1 in service

• Type 679 (Zheng He-class) (NATO Daxing-class) training ship
• Builder: {{PRC}}
• Displacement: 5,548 tons
• Operator: {{navy|China}}

• Type 680 (Qi Jiguang-class) training ship
• Builder: {{PRC}}
• Displacement: 9,000 tons
• Operator: {{navy|China}}

• Type 0891A (Shichang-class) training ship
• Builder: {{PRC}}
• Displacement: 9,700 tons
• Operator: {{navy|China}}

• BAP Unión Tall ship
• Builder: {{ESP}} / {{PER}}
• Displacement: 3,200 tons
• Operator: {{navy|Peru}}

• Yanxi-class training ship
• Builder: {{PRC}}
• Displacement: 1,200 tons
• Operator: {{navy|China}}
• Cezayirli Gazi Hasan class
• Builder: {{TUR}}
• Displacement: 2,940 tons
• Operator: {{navy|Turkey}}: 1 in service

• Argo (MEN209) Presidential Yacht
• Builder: {{ITA}}
• Displacement: 64.47 tons
• Operator: {{navy|Italy|name=Marina Militare}}

• HDMY Dannebrog Royal Yacht
• Builder: {{DNK}}
• Displacement: 1,295 tons
• Operator: {{navy|Denmark}}

• ARA Fortuna III racing yacht
• Builder: {{ARG}}
• Displacement: 15.5 tons
• Operator: {{navy|Argentina}}

• {{JS|Hashidate|ASY-91|6}} accommodation yacht
• Builder: {{JPN}}
• Displacement: 490 tons
• Operator: {{navy|Japan}}

• HNoMY Norge Royal Yacht
• Builder: {{GBR}}
• Displacement: 1,628 tons
• Operator: {{navy|Norway}}
• MV Savarona class (TCG MV Savarona) Modernized and retrofitted as state yacht
• Builder: {{TUR}}
• Displacement: 4,646 tonnes
• Operator: {{navy|Turkey}}: 1 in service

• List of naval ship classes in service
• List of submarine classes in service

{{Reflist}}

{{Warship types of the 19th & 20th centuries}}

Auxiliary ship classes in service

Category:Auxiliary ship classes