Thomas Cowan
Thomas Cowan may refer to:
- Tam Cowan, Scottish media personality
- Thomas Cowan (South [Australian politician)], South Australian politician
- Thomas F. Cowan, American politician
- Tom Cowan, Scottish footballer
- Tom Cowan (director), Australian filmmaker
- Thomas William Cowan, British beekeeper
- Thomas Cowan (broadcaster), radio announcer
- Thomas Cowan (alternative [medicine practitioner)], a conspirationist and former medical doctor