3rd Corps (Yugoslav Partisans)

{{About|the World War II Partisan formation|the Army of the Republic of Bosnia and Herzegovina formation|I Corps (Bosnia and Herzegovina)}}

{{Infobox military unit

|unit_name= Partisan 3rd Corps

|image=Flag of Yugoslavia (1943–1946).svg

|caption=Flag of Democratic Federal Yugoslavia (used by the Partisans)

|dates= 1942–1945

|country= Democratic Federal Yugoslavia

|allegiance=

|branch= Yugoslav Partisan Army

|type= Infantry

|role=

|size= Corps

|command_structure= Partisan 2nd Army

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|battles=World War II in Yugoslavia
* Operation Wegweiser
* Operation Save
* Operation Osterei
* Operation Maibaum
* Operation Maiglöckchen
* Operation Vollmond
* Operation Fliegenfänger
* Operation Heiderose
* Operation Hackfleisch
Sarajevo Operation

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|notable_commanders=Kosta Nađ
Vladimir Popović

}}

{{command structure

|name=1st Bosnian Corps

|date=November 1942

|parent=Supreme Headquarters

|subordinate=4th Krajina Division
5th Krajina Division
6th East Bosnian Brigade

}}

{{command structure

|name=Partisan 3rd Corps

|date=January 1945

|parent=Partisan 2nd Army

|subordinate=27th East Bosnia Division
38th Bosnia Division

}}

The 3rd Corps ({{lang-sh-Latn|treći korpus}}) was a Yugoslav Partisan corps that fought against the Germans, Independent State of Croatia (NDH) and Chetniks in occupied Democratic Federal Yugoslavia during World War II. It was created in November 1942 as the 1st Bosnian Corps, and underwent a name change in 1943. It grew in size until 1 January 1945 when it was subordinated to the Partisan 2nd Army. The 3rd Corps spent most of 1944 engaged in hard fighting against the 13th Waffen Mountain Division of the SS Handschar (1st Croatian) in eastern Bosnia.