4th Army (Yugoslav Partisans)
| 4th Army | |
|---|---|
| Active | 1 March 1945 | 
| Country | Yugoslavia | 
| Branch | Yugoslav Partisans | 
| Type | Field Army | 
| Engagements | World War II 
 | 
| Commanders | |
| Notable commanders | General Lieutenant Petar Drapšin | 
The 4th Army of the Yugoslav Partisans was a Partisan army that operated in Yugoslavia during the last months of the Second World War.
The Army was created on 1 March 1945, when Chief Commander Marshal Josip Broz Tito converted the underground National Liberation Army and Partisan Detachments of Yugoslavia in the more regular Yugoslav Army.