Eighteenth Army (Japan)
| Japanese Eighteenth Army | |
|---|---|
General Adachi surrendering | |
| Active | November 9, 1942 – August 15, 1945 |
| Country | Empire of Japan |
| Branch | Imperial Japanese Army |
| Type | Infantry |
| Role | Corps |
| Garrison/HQ | New Guinea |
| Nickname(s) | Mō (猛, Fierce) |
| Engagements | New Guinea campaign |
The Japanese 18th Army (第18軍, Dai-jyūhachi gun) was a field army of the Imperial Japanese Army during World War II.