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 (UK Parliament constituency)
• William Gascoigne (MP died 1423), MP for Bridgwater (UK Parliament constituency)
• William Gascoigne (scientist) (c.1610–1644), English scientific instrument maker
• Sir William Julius Gascoigne (1844–1926), British Army general