William Gascoigne (disambiguation)

William Gascoigne may refer to:

• Sir William Gascoigne (c. 1350–1419), Chief Justice of England
• William Gascoigne (MP for Yorkshire), in 1421 MP for Yorkshire
• William Gascoigne (MP died 1423), MP for Bridgwater
• Sir William Gascoigne (died 1540), MP for Bedfordshire
• William Gascoigne (scientist) (1612–1644), English scientific instrument maker
• Sir William Julius Gascoigne (1844–1926), British Army general