Thomas Collins may refer to:
Thomas Collins (governor) (1732–1789), American lawyer and Governor of Delaware
Thomas Collins (UK politician) (died 1884), Member of Parliament for Knaresborough and Boston
Thomas Collins (bishop) (1873–1927), Irish Anglican bishop
Thomas Collins (Australian politician) (1884–1945), Australian MP and Postmaster-General
Thomas Patrick Collins (1915–1973), American-born Catholic bishop in Bolivia
Thomas H. Collins (born 1946), retired Commandant of the United States Coast Guard
Thomas Christopher Collins (born 1947), Canadian Roman Catholic Cardinal
Thomas Collins (cricketer, born 1895) (1895–1964), English cricketer
Thomas Collins (cricketer, born 1841) (1841–1934), English cricketer
Thomas D. Collins (1847–1935), American soldier who fought in the American Civil War
Tom Collins (rugby) (Thomas John Collins, 1895–1957), rugby union and rugby league footballer of the 1920s for Wales (RU), Mountain Ash, and Hull (RL)
Thomas LeRoy Collins (1909–1991), governor of Florida