| Japanese Fifth Army | |
|---|---|
| Active | January 15, 1905 – August 15, 1945 |
| Country | Empire of Japan |
| Branch | Imperial Japanese Army |
| Type | Infantry |
| Role | Corps |
| Garrison/HQ | Andong, Manchukuo |
| Nickname(s) | Jōshudan (城集団, Castle) |
| Engagements | Soviet invasion of Manchuria |
The Japanese 5th Army (第5軍, Dai-go gun) was an army of the Imperial Japanese Army based in Manchukuo from the Russo-Japanese War until the end of World War II. During World War II it was under the overall command of the Kwantung Army.