Thomas Garrett (1789–1871) was an American abolitionist and leader in the Underground Railroad movement before the American Civil War. Thomas, Tom or Tommy Garrett may also refer to:

Thomas Garrett (Australian politician) (1830–1891), New South Wales politician, newspaper proprietor and land agent Tom Garrett (cricketer) (1858–1943), Australian cricketer and public servant, son of the above Thomas Garrett (bishop) (died 1980), British-born Anglican bishop in the Church of South India Tommy Garrett (footballer) (1926–2006), English footballer Snuff Garrett (Thomas Lesslie Garrett, 1938–2015), American record producer Tommy Garrett (Nebraska politician) (born 1954), American politician from Nebraska T. Scott Garrett (Thomas Scott Garrett, born 1956), member of the Virginia House of Delegates Thomas A. Garrett (born 1962), American fast food restaurant executive Tom Garrett (Virginia politician) (born 1972), U.S. Representative from Virginia