Captain Gerard Lysley Derriman was a British Army officer in the Grenadier Guards and chief constable of Shropshire Constabulary. He was an animal welfare campaigner known for his advocacy of humane slaughter.
- Occupation
- police officer, military officer
- Position held
- secretary, Chief Constable
- Citizenship
- United Kingdom of Great Britain and Ireland
- Born
- 1870, January 1870
- Died
- August 7, 1915
