William Whitlock

William Whitlock may refer to:

• William Whitelock (1636–1717), also spelt Whitlock, English gentleman and member of parliament for the University of Oxford
• William Whitlock Jr. (1791–1875), American businessman
• Billy Whitlock (1813–1878), American blackface performer
• William Whitlock (journalist) (1891–1977), New Zealand journalist, newspaper editor and proprietor
• William Whitlock (politician) (1918–2001), British Labour Party MP for Nottingham North