Thomas Montgomery may refer to: Thomas Montgomery (American politician) (1779–1828), U.S. Representative from Kentucky Thomas Montgomery (Irish politician) (1700–1761), Irish politician Thomas Harrison Montgomery (1830–1905), American businessman and historian Thomas Harrison Montgomery Jr. (1873–1912), American zoologist Thomas Hartley Montgomery (1842–1873), senior official of the Royal Irish Constabulary Thomas Lynch Montgomery (1862–1929), American librarian from Pennsylvania Thomas M. Montgomery (born 1941), American military officer Thomas Montgomery (innkeeper) (1790–1877), Upper Canada militia officer and innkeeper (Montgomery's Inn) in modern-day Etobicoke Thomas Montgomery (murderer), American murderer See also Thomas George Montgomerie (1830–1878), British surveyor