Tim Martin may refer to:
People
- Tim Martin (American football) (born 1976), indoor American football player
- Tim Martin (businessman) (born 1955), founder of British pub chain Wetherspoons
- Tim Martin (soccer) (born 1967), American association football defender
- Tim Martin (human rights), British aid worker in Sri Lanka
Fictional characters
- Timmy Martin, in Lassie (1954 TV series)