John Laird
John Laird may refer to:
- John Laird (philosopher) (1887–1946), Scottish philosopher
- John Laird (American politician) (born 1950), former California State Assembly member
- John Laird (shipbuilder) (1805–1874), British shipbuilder and key figure in development of Birkenhead
- John Laird, Baron Laird (born 1944), British Member of the House of Lords and Ulster Unionist Politician
- John E. Laird (born 1954), computer scientist
- John Houston Laird (1874–1959), politician in Saskatchewan, Canada
- John Keith McBroom Laird (1907–1985), Canadian author, barrister, and solicitor
- Jack Laird (1923–1991), American television writer and actor