Lyle Stuart (August 11, 1922 – June 24, 2006) was an American author and independent publisher of controversial books. Born Lionel Simon, Stuart worked as a newsman for years before launching his publishing firm, Lyle Stuart, Inc.
Stuart's first wife, Mary Louise Stuart, died in 1969. He married Carole Livingston Stuart in 1982 and they were married until his death on June 24, 2006 at age 83. He was a resident of Fort Lee, New Jersey.