William Mills

• Bill Mills (baseball)
• Billy G. Mills
• Billy Mills
• Billy Mills (footballer)
• Billy Mills (poet)
• Billy Mills (racing driver)
• Lord Provost of Glasgow
• Stratton Mills
• William Augustus Mills
• William Corless Mills
• William George Mills
• William Hobson Mills
• William J. Mills
• William Mills (1750–1820)
• William Mills (English cricketer)
• William Mills (Lord Provost)
• William Mills (New Zealand cricketer)
• William Mills (bishop)
• William Mills (businessman)
• William Mills (inventor)
• William Mills (surveyor)
• William Oswald Mills
• William Thomas Mills
• Willie Mills
• Willie Mills (baseball)