Thomas Waller may refer to:
Politics Thomas M. Waller (1840–1924), American politician, Democrat from Connecticut Thomas Waller (fl. 1421–1435), English politician, MP for Guildford Thomas Waller (died 1613) (c. 1569–1613), MP for Dover Thomas Wathen Waller, United Kingdom ambassador to Belgium (1845–1846)
Science Thomas Richard Waller (born 1937), American malacologist and paleontologist
Media Fats Waller (Thomas Waller, 1904–1943), American jazz pianist, organist, composer and comedic entertainer Tom Waller (born 1974), film producer and director