| 25th Air Flotilla | |
|---|---|
 Enlisted fighter pilots of the Tainan Air Group, part of the 25th Air Flotilla, pose at Lae in 1942. Several of these aviators would be among the top Japanese Naval aces, including Saburō Sakai (middle row, second from left), and Hiroyoshi Nishizawa (standing, first on left). | |
| Active | 1 April 1942 – 5 May 1944 10 July 1944 - 10 February 1945 |
| Country |  Empire of Japan |
| Allegiance | Empire of Japan |
| Branch |  Imperial Japanese Navy |
| Type | Naval aviation unit |
| Role | Bomber, Fighter, Reconnaissance |
| Part of | 11th Air Fleet |
| Garrison/HQ | Rabaul, New Britain Lae, Buka, and Buin, Papua New Guinea, and Shortland Islands and Tulagi, Solomon Islands |
| Engagements | New Guinea Campaign Solomon Islands Campaign |
| Commanders | |
| Notable commanders | Sadayoshi Yamada |
The 25th Air Flotilla (第二五航空戦隊,, Dai Nijūgo Kōkū Sentai, "Nijūgo Kōsen") was a combat aviation unit of the Imperial Japanese Navy Air Service (IJNAS) during the Pacific Campaign of World War II.