| Japanese First Army | |
|---|---|
&sq=&lang=&file=File:Japanese_General_Kuroki_and_his_Chief_of_Staff_Shigeta_Fujii.jpg) Japanese General Kuroki and his Chief of Staff Shigeta Fujii | |
| Active | September 1894 – September 1945 |
| Country | Empire of Japan |
| Branch | Imperial Japanese Army |
| Type | Infantry |
| Role | Corps |
| Nickname(s) | Otsu (乙, Second) |
| Engagements | First Sino-Japanese War Russo-Japanese War Second Sino-Japanese War World War II |
The Japanese 1st Army (第1軍, Dai-ichi gun) was an army of the Imperial Japanese Army. It was raised and demobilized on three occasions.
- ^ The Japanese Army 1931-1945, Osprey Publishing, p.15