William Dalrymple is a Scottish historian and writer.
William Dalrymple may also refer to:
- William Dalrymple (politician, born 1678), Scottish Member of Parliament
- William Dalrymple (moderator) (1723–1814), Scottish minister and religious writer
- William Dalrymple (British Army officer) (1736–1807), Scottish general and MP for Wigtown Burghs and Duleek
- William Dalrymple (surgeon) (1772–1847), English surgeon