| Japanese Fourth Army | |
|---|---|
| Active | June 24, 1904 - August 15, 1945 |
| Country | Empire of Japan |
| Branch | Imperial Japanese Army |
| Type | Infantry |
| Role | Corps |
| Garrison/HQ | Bei'an, Manchukuo |
| Nickname(s) | Hikari (光, Light) |
| Engagements | Russo-Japanese War *Battle of Liaoyang *Battle of Mukden World War II *Soviet invasion of Manchuria |
The Japanese 4th Army (第4軍, Dai-yon gun) was an army of the Imperial Japanese Army based in Manchukuo from the Russo-Japanese War until the end of World War II.