Imperial Japanese Army General Staff Office
| Imperial Japanese Army General Staff Office | |
|---|---|
| 参謀本部 (Sanbō Honbu) | |
Postcard with view of Imperial Japanese Army General Staff Office HQ, c. 1910 | |
| Founded | 24 December 1878 |
| Disbanded | September 1945 |
| Country | Empire of Japan |
| Allegiance | Emperor of Japan |
| Branch | Imperial Japanese Army |
| Type | Military staff |
| Part of | Imperial General Headquarters |
| Headquarters | Tokyo |
| Colors | Red White |
| Commanders | |
| First Chief | Yamagata Aritomo |
| Last Chief | Yoshijirō Umezu |
| Insignia | |
| The IJA ensign | |
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The Imperial Japanese Army General Staff Office (参謀本部, Sanbō Honbu), also called the Army General Staff, was one of the two principal agencies charged with overseeing the Imperial Japanese Army (IJA).