SM UB-155

{{Infobox ship image

|Ship image=UB 148 at sea 2.jpeg

|Ship caption=UB-148 at sea, a U-boat similar to UB-155.

}}

{{Infobox ship career

|Ship country=German Empire

|Ship flag={{Shipboxflag|German Empire|naval}}

|Ship name=UB-155

|Ship ordered=27 June 1917{{sfn|Rössler|1979|p=61}}

|Ship builder=AG Vulcan, Hamburg

|Ship original cost=4,301,000 German Papiermark

|Ship yard number=120

|Ship laid down=

|Ship launched=26 October 1918{{sfn|Gröner|1991|pp=25-30}}

|Ship completed=26 February 1919{{sfn|Gröner|1991|pp=25-30}}

|Ship commissioned=

|Ship fate=Surrendered 9 March 1919, broken up{{sfn|Gröner|1991|pp=25-30}}

}}

{{Infobox ship characteristics

|Hide header=

|Header caption={{sfn|Gröner|1991|pp=25-30}}

|Ship class=Type UB III submarine

|Ship displacement=*{{convert|539|t|LT|lk=on|abbr=on}} surfaced

• {{convert|656|t|LT|abbr=on}} submerged

|Ship length= {{convert|55.52|m|ftin|abbr=on}} (o/a)

|Ship beam={{convert|5.80|m|ft|0|abbr=on}}

|Ship draught={{convert|3.85|m|ftin|abbr=on}}

|Ship propulsion=*2 × propeller shaft

• 2 × MAN-Vulcan four-stroke 6-cylinder diesel engines, {{convert|809|kW|bhp|abbr=on|order=flip|lk=in}}
• 2 × Siemens-Schuckert electric motors, {{convert|580|kW|shp|order=flip|abbr=on|lk=in}}

|Ship speed=*{{convert|13.5|kn|lk=in}} surfaced

• {{convert|7.5|kn}} submerged

|Ship range=*{{convert|7,120|nmi|lk=in|abbr=on}} at {{convert|6|kn}} surfaced

• {{convert|50|nmi|abbr=on}} at {{convert|4|kn}} submerged

|Ship test depth={{convert|50|m|ft|abbr=on}}

|Ship complement=3 officers, 31 men{{sfn|Gröner|1991|pp=25-30}}

|Ship armament=*5 × {{convert|50|cm|in|1|abbr=on}} torpedo tubes (4 bow, 1 stern)

• 10 torpedoes
• 1 × 8.8 cm SK L/30 naval gun

|Ship notes=

}}

{{Infobox service record

|is_ship=yes

|is_multi=yes

|partof=

|commanders=

|operations=No patrols

|victories=None

}}