| 1st Mobile Fleet | |
|---|---|
| Active | 1 March 1943 – 15 November 1944 |
| Country |  |
| Branch |  Imperial Japanese Navy |
| Battle honours | Pacific Theatre of World War II |
The 1st Mobile Fleet (第一機動艦隊, Dai-Ichi Kidō Kantai) was a fleet of the Imperial Japanese Navy established during World War II.