| 2nd Fleet | |
|---|---|
| Active | 27 October 1903 – 20 April 1945 |
| Country |  Japan |
| Branch |  Imperial Japanese Navy |
| Engagements | |
| Battle honours | Pacific War |
| Commanders | |
| Notable commanders | Kamimura Hikonojo Soemu Toyoda Seiichi Ito |
The 2nd Fleet (第二艦隊, Dai-ni Kantai) was a fleet of the Imperial Japanese Navy (IJN) created as a mobile strike force in response to hostilities with Russia, and saw action in every IJN military operation until the end of World War II.