William Crichton-Dalrymple, 5th Earl of Dumfries, 4th Earl of Stair, KT was a Scottish peer. He inherited the title of Earl of Dumfries in 1742, upon the death of his mother Penelope Crichton, 4th Countess of Dumfries. He also held the heritable position of the Sheriff of Clackmannan from 1742 until heritable sheriffdoms were abolished in 1747.
- Occupation
- military personnel
- Citizenship
- Kingdom of Great Britain
- Born
- 1699
- Died
- July 27, 1768
