Thomas Powys
Thomas Powys may refer to:
- Thomas Powys (judge) (1649–1719), MP and Attorney General to King James II
 - Thomas Powys (priest) (1747–1809), Anglican clergyman
 - Thomas Powys, 1st Baron Lilford (1743–1800), British politician
 - Thomas Powys, 2nd Baron Lilford (1775–1825), British peer
 - Thomas Powys, 3rd Baron Lilford (1801–1861), British peer and politician
 - Thomas Powys, 4th Baron Lilford (1833–1896), British aristocrat and ornithologist
 
See also
- Powys Thomas (1926–1977), British-born actor in Canada