| No. 4 Group RAF | |
|---|---|
 | |
| Active | 1 April 1918 – 24 March 1919 1 April 1937 – 2 February 1948 |
| Country |  United Kingdom |
| Branch |  Royal Air Force |
| Type | Royal Air Force group |
| Role | Strategic and tactical bombing (1937 - 1945) Military transport (1945 - 1948) |
| Part of | RAF Bomber Command (April 1937 – May 1945) RAF Transport Command (May 1945 – February 1948) |
| Group Headquarters | RAF Linton-on-Ouse (April 1937 – January 1940) Heslington Hall (January 1940 – February 1948) |
| Commanders | |
| Notable commanders | Marshal of the Royal Air Force Arthur "Bomber" Harris |
No. 4 Group RAF (4Gp) was a Royal Air Force group, originally formed in the First World War, and reformed in the wake of the Second World War, mostly part of RAF Bomber Command, but ending its days in RAF Transport Command.