Patrick Mahon may refer to:
Patrick Herbert Mahon (1890-1924) was a British criminal found guilty in 1924 of the murder of Emily Bielby Kaye in the case of the "Crumbles murders". Patrick Joseph Mahon (Paddy Mahon) (c.1907 – 20 July 1945) was an Irish golfer. Anthony Patrick Mahon (1921-1972), known as Patrick, British cryptanalyst during World War II, and executive at John Lewis. He was the son of Cyril Patrick Mahon.
See also Patrick Mahony Patrick Mahoney James Patrick Mahon