| No. 274 Squadron RAF | |
|---|---|
| Active | 15 June 1919 - 30 January 1920 19 August 1940 – 7 September 1945 |
| Country |  United Kingdom |
| Branch |  Royal Air Force |
| Motto(s) | Latin: Supero ("I overcome") |
| Insignia | |
| Squadron Badge heraldry | Eight arrows in saltire[1] |
| Squadron Codes | YK (Aug 1940 - Sep 1940) NH Allocated but no evidence of being carried JJ (Apr 1944 - Sep 1945) |
No. 274 Squadron RAF existed briefly in 1918 and 1919 as a patrol and bomber squadron, and served in World War II as a fighter squadron.
- ^ Halley 1988, p. 340.