| 4th Destroyer Flotilla | |
|---|---|
 The 4th Destroyer Flotilla during the First World War | |
| Active | August 1909 – July 1951 |
| Country |  United Kingdom |
| Branch |  Royal Navy |
| Size | Flotilla |
| Commanders | |
| First | Captain Reginald Y. Tyrwhitt |
| Last | Captain Deric Holland-Martin |
The British 4th Destroyer Flotilla , or Fourth Destroyer Flotilla, was a naval formation of the Royal Navy from August 1909 to July 1951.