Thomas, Tom, or Tommy West may refer to:

• Thomas West, 1st Baron West (1365–1405)
• Thomas West, 2nd Baron West (1391/2–1416)
• Thomas West, 8th Baron De La Warr (c. 1457–1525), courtier and military commander
• Thomas West, 9th Baron De La Warr (c. 1475–1554)
• Thomas West, 2nd Baron De La Warr (c. 1556–1602), MP for Aylesbury, member of Elizabeth I's Privy Council
• Thomas West, 3rd Baron De La Warr (1577–1618), Englishman after whom Delaware was named

• Thomas West (MP for Lymington) (died 1618), Member of Parliament (MP) for Lymington
• Thomas West (MP died 1622), English politician; MP for Chichester, Mitchell and Hampshire
• Thomas West (Australian politician) (1830–1896), New South Wales politician
• Thomas West (captain), a planter, military officer and politician in colonial Virginia
• Thomas F. West (1874–1931), American lawyer; Chief Justice of the Florida Supreme Court
• Thomas G. West (born 1945), American professor of politics
• Thomas West (American politician) (born 1964), American politician in the Ohio House of Representatives
• Tom West (Kansas politician) (1925–1975), American politician in the Kansas state legislature
• T. C. West (1868–1936), American lawyer and member of the California State Senate

• Tommy West (baseball), American baseball manager (active 1937–46) in 1942 St. Louis Cardinals season
• Tommy West (American football) (born 1954), American football coach
• Tom West (rugby union) (born 1996), English rugby union player

• Thomas West (priest) (1720–1779), Scottish priest, author, and antiquarian
• Thomas James West (1855–1916), English-born theatre entrepreneur
• Thomas Summers West (1927–2010), British chemist
• Tom West (1939–2011), American technologist and protagonist of the Pulitzer–winning non-fiction book The Soul of a New Machine
• Tommy West (producer) (1942–2021), American music executive
• W. Thomas West (born 1943), U.S. Air Force general