Thomas Whitney may refer to:
Thomas Whitney (computing) (died 1986), involved in invention of pocket calculator Thomas P. Whitney (1917–2007), American diplomat, author and racehorse owner/breeder Thomas R. Whitney (1807–1858), politician from New York Tom Whitney (born 1989), golfer
See also Thomas Witney (), English master mason Tommaso Ciampa (born 1985), wrestler born Tommasso Whitney