John Saul (disambiguation)
John Saul is an American author.
John Saul may also refer to:
- John Hennessy Saul (1819–1897), Irish-born American horticulturist and landscape architect
 - John L. Saul (born 1948), British novelist and short story writer
 - John Ralston Saul (born 1947), Canadian philosopher
 - John S. Saul (John Shannon Saul) (1938-2023), Canadian political economist and activist
 - John Saul (prostitute), male prostitute in the Cleveland Street scandal
 - John Saul (actor) (1913–1979), Australian actor and director