John Blackwell may refer to:
- John Blackwell (Alun) (1797–1840), Welsh poet
- John Blackwell (engineer) (c. 1775–1840), English civil engineer
- John Blackwell (musician) (1973–2017), drummer in the New Power Generation
- John Blackwell (referee), English football referee and soldier
- Ken Blackwell (John Kenneth Blackwell, born 1948), American politician, author, and conservative activist
If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: