| RAF Hamworthy RAF Poole HMS Turtle | |
| Ensign: | Ensign of the Royal Air Force.svg |
| Ensign Size: | 90px |
| Location: | Poole Harbour, Dorset, United Kingdom |
| Coordinates: | 50.7056°N -1.9583°W |
| Type: | Military Seaplane Base |
| Used: | 1939-1948 |
| Garrison: | RAF Coastal Command |
| Occupants: | No.19 Group Coastal Command, Royal Navy, BOAC |
| Battles: | European theatre of World War II |
| Pushpin Map: | Dorset |
| Pushpin Map Caption: | RAF Hamworthy, shown within Dorset |
| Pushpin Label: | RAF Hamworthy |
Royal Air Force Hamworthy or more simply RAF Hamworthy is a former Royal Air Force Coastal Command seaplane base at Poole Harbour in Dorset, England which was operational between 1939 and 1948. During the Second World War, it was used by the Royal Air Force, the Royal Navy and BOAC.
| Unit | Dates | Aircraft | Variant | Notes | |
|---|---|---|---|---|---|
| No. 210 Squadron RAF | 1943 | Consolidated PBY Catalina | IB | Detachments to Gibraltar. | |
| No. 461 Squadron RAAF | 1942-1943 | Short Sunderland | II and III |