John Derry | |
|---|---|
 | |
| Birth name | John Douglas Derry |
| Born | 5 December 1921 Cairo, Egypt |
| Died | 6 September 1952 (aged 30) Farnborough, England |
| Service/ | Royal Air Force |
| Years of service | 1939–1947 |
| Rank | Squadron leader |
| Unit | No. 181 Squadron RAF |
| Commands | No. 182 Squadron RAF |
| Battles/wars | World War II |
| Awards | Distinguished Flying Cross Bronze Lion |
| Other work | Test pilot |
Squadron leader John Douglas Derry DFC (5 December 1921 – 6 September 1952) was a British test pilot who is believed to be the first Briton to have exceeded the speed of sound in flight.