William, Willie, Bill or Billy Steel may refer to:
William Gladstone Steel (1854–1934), American conservationist considered by many to be the father of Crater Lake National Park William Steel (golfer) (fl. 1860), Scottish golfer William Arthur Steel (1890–1968), Canadian Army officer and radio pioneer Willie Steel (1908–1990), Scottish footballer Bill Steel (born 1939), British actor and television and radio broadcaster Billy Steel (1923–1982), Scottish international footballer Jim Steel (footballer) (William James Steel, born 1959), Scottish footballer
See also William Steele (disambiguation)