| Unit Name: | No. 290 Squadron RAF |
| Dates: | 1 December 1943 – 27 October 1945 |
| Branch: | Royal Air Force |
| Garrison Label: | Base |
| Motto: | None |
| Colors Label: | post 1950 aircraft insignia |
| Identification Symbol: | None |
| Identification Symbol Label: | Squadron Badge |
| Identification Symbol 2: | X6 (December 1943 – October 1945) |
| Identification Symbol 2 Label: | Squadron Code |
No. 290 Squadron RAF was a Royal Air Force Squadron formed as an anti-aircraft cooperation unit in World War II.
The squadron formed at Newtownards on 1 December 1943 and was equipped with Hurricanes, Oxfords and Martinets to provide practice for the anti-aircraft defences in Northern Ireland by towing targets and conducting simulated attacks. The squadron moved to West Freugh, Scotland and then to Knocke le Zout, Belgium where it disbanded on 27 October 1945.
| Dec 1943 | Jan 1945 | IIC | ||
| Dec 1943 | Oct 1945 | |||
| Dec 1943 | Oct 1945 | |||
| Dec 1944 | Oct 1945 | VB |