Coulthard can refer to:
- Bill Coulthard (1923-), a Canadian basketball player
- David Coulthard (1971-), a Scottish racing driver
- Fabian Coulthard (1982-), a New Zealand racing driver
- George Coulthard (1856-1883), an Australian rules footballer
- Jean Coulthard (1908-2000), a Canadian composer
- Michael Sean Coulthard (1968-), a play-by-play announcer better known by the stage name Michael Cole
- Ray Coulthard (fl. 2005), an English actor
- John Coulthard and Son then R. Coulthard and Company, a locomotive manufacturer later known as Black, Hawthorn & Co