Thomas Hansen may refer to:

• Tom Hansen (Nebraska politician) (born 1946), state legislator
• Tom Hansen (South Dakota politician) (born 1939), member of the South Dakota House of Representatives
• Thomas Blom Hansen (born 1958), Danish anthropologist
• Thomas Hansen (captain) (1762–1837), master of the first mission ship to New Zealand
• Thomas Hansen (musician) (1976–2007), Norwegian artist, known as Saint Thomas

Sportspeople

• Tom Hansen (athlete) (born 1948), Danish runner
• Tom Hansen (biathlete) (born 1968), Canadian
• Thomas Hansen (cricketer) (born 1976), Danish cricketer
• Thomas Hansen (footballer) (born 1983), Danish footballer
• Tommy Hansen (footballer)

Characters

• Tom Hansen, in film (500) Days of Summer
• Tom Hansen, protagonist of the video game Cold Fear