Thomas Cowan

Thomas Cowan may refer to:


 * Tam Cowan (born 1969), Scottish media personality
 * Thomas Cowan (South Australian politician) (1839–1890), South Australian politician
 * Thomas F. Cowan (1927–2010), American politician
 * Tom Cowan (born 1969), Scottish footballer
 * Tom Cowan (director) (born 1942), Australian filmmaker
 * Thomas William Cowan (1840–1926), British beekeeper
 * Thomas Cowan (broadcaster) (1884–1969), radio announcer
 * Thomas Cowan (alternative medicine practitioner), a conspirationist and former medical doctor