| 4th Army | |
|---|---|
| Active | 1939–1992 |
| Country |  Soviet Union Azerbaijan SSR |
| Branch | Soviet Army |
| Size | two or more Rifle corps |
| Part of | Transcaucasian Military District (1950s–1990s) |
| Garrison/HQ | Baku (c. 1945–1991) |
| Engagements | Operation Barbarossa, others |
The 4th Army was a Soviet field army of World War II that served on the Eastern front of World War II and in the Caucasus during the Cold War. It was disbanded after the fall of the Soviet Union, with its divisions being withdrawn to Russia and disbanded.