Orpen
Orpen is an Anglo-Norman toponymic surname deriving from "Erpen". It may refer to:
- Abraham Orpen, Canadian horse-racing track owner, casino operator,
- Arthur Orpen Herbert, railway commissioner
- Bea Orpen, Irish painter
- Charles Orpen, Irish physician, writer and clergyman
- Edward Richards-Orpen, Irish politician
- Francis Orpen Morris,, Irish clergyman
- John Orpen, Anglican clergyman
- Joseph Orpen, British colonial administrator
- Goddard Henry Orpen, Irish historian
- Raymond Orpen, Irish clergyman
- William Orpen, Irish portrait painter