| Unit Name: | No. 547 Squadron RAF |
| Dates: | 22 October 1942 – 4 June 1945 |
| Branch: | Royal Air Force |
| Garrison Label: | Base |
| Motto: | Latin Celer ad caedendum (Swift to strike) |
| Colors Label: | post 1950 aircraft insignia |
| Identification Symbol: | A diving kingfisher |
| Identification Symbol Label: | Squadron Badge |
| Identification Symbol 2: | 2V (August 1943 - June 1945) |
| Identification Symbol 2 Label: | Squadron Code |
No. 547 Squadron RAF was a Royal Air Force Squadron formed as an RAF Coastal Command anti-shipping and anti submarine squadron in World War II.
The squadron formed at RAF Holmsley South on 21 October 1942 and was equipped with Wellingtons, it then operated Liberators and patrolled the Bay of Biscay. It later moved to RAF Leuchars, Scotland where it disbanded on 4 June 1945.
| Oct 1942 | May 1943 | VIII | ||
| May 1943 | Nov 1943 | Vickers Wellington | XI | |
| Oct 1943 | Nov 1943 | Vickers Wellington | XIII | |
| Nov 1943 | Oct 1944 | V | ||
| Aug 1944 | May 1945 | Consolidated B-24 Liberator | VI | |
| Mar 1945 | Jun 1945 | Consolidated B-24 Liberator | VIII |