William Lenoir
William Lenoir is the name of the following people:
- William Lenoir (General) (1751-1839), American general
- William Lenoir (tennis player) ( Billy Lenoir ; 1942–2007), American tennis player
- William B. Lenoir ( William Benjamin Lenoir ; 1939-2010), American astronaut
- William Ballard Lenoir (1775-1852), American politician