Vice Admiral Thomas J. Walker (6 August 1919 – 6 May 2003) was a U.S. Navy officer who served as first commanding officer of the aircraft carrier USS Constellation.
Dr. Thomas Walker (January 15, 1715 – November 9, 1794) was an physician and explorer from Virginia who led an expedition to what is now the region beyond the Alleghany Mountains area of British North America in the mid-18th century. He was responsible for naming what is now known as the Cumberland Plateau and by extension the Cumberland River for the hero of the time, the Duke of Cumberland.
Tom Walker (16 November, 1762 – 1 March, 1831) was an English cricketer who played for the Hambledon Club and for Surrey.
Thomas Walker (1804 - September 2, 1886) was an Australian politician and banker; he and his daughter Dame Eadith Campbell Walker were important philanthropists.
Thomas Walker (5 February 1858 – 10 May 1932) was an Australian politician, a member of two different state parliaments.
Thomas Walker (born January 3, 1978 in Helsinki) is a Finnish cricketer who has played with Finland since 2000.
Thomas Walker (ca 1759 – January 1812) was a lawyer and political figure in Lower Canada.