John Shirley (born 1953) is an American writer.
John or Jon Shirley may also refer to:
- John Shirley (1648–1679), English writer, author of The Life of the Valiant and Learned Sir Walt. Raleigh, Kt., with his Trial at Winchester
- John Shirley (fl. 1680-1702), English writer, author of The Illustrious History of Women
- John Shirley (footballer) (1902–?), footballer
- John Shirley (sailor) (born 1958), British Virgin Islands sailor
- John Shirley (scribe) (died 1456)
- John Shirley (died 1616), English politician
- Jon Shirley (born 1938), president of Microsoft