Thomas Rees may refer to:
Religious figures
Thomas Rees (Congregational minister) (1815–1885), Welsh Congregationalist minister
Thomas Rees (theologian) (1869–1926), Welsh theologian and editor, principal of Bala-Bangor Independent College, see 1926 in Wales
Thomas Rees (Unitarian) (1777–1864), Welsh Unitarian minister and scholar
Sportspeople
Tom Rees (rugby union, born 1913) (1913–1991), Welsh international rugby union prop
Tom Rees (rugby union, born 1984), rugby union footballer of the 2000 and 2010s for England, and London Wasps
Tommy Rees (rugby) (1904–1968), rugby union and rugby league footballer of the 1920s and 1930s
Tommy Rees (American football) (born 1992), American football quarterback
Military figures
Tom Rees (aviator) (1895–1916), first man killed by the "Red Baron"
Thomas Wynford Rees (1898–1959), British Indian Army general
Thomas H. Rees, officer in the United States Army
Others
T. Ifor Rees (Thomas Ifor Rees, 1890–1977), Welsh diplomat and translator
Thomas M. Rees (1925–2003), U.S. Representative from California
Thomas Rees (Twm Carnabwth) (1806–1876), Welsh leader of the Rebecca Riots, also known as Twm Carnabwth
Tom Rees (evangelist) (1911–1970), English evangelist
Thomas ap Rees (1930–1996), botanist
Thomas Rees (mayor) (1844–1921), master builder and mayor of Brisbane, Queensland, Australia
Thomas D. Rees, American plastic surgeon and flying doctor