Dennis Murphy may refer to:Dennis Murphy (1842–1917), Canadian businessman and political figure from Ontario Dennis Murphy (equestrian), American Olympic equestrian Dennis Murphy (journalist), American television journalist Dennis Murphy (motorcyclist), motorcyclist and rally navigator Dennis Murphy (musician) (1934–2010), American composer, musician and artist Dennis Murphy, rugby league footballer of the 1940s for Bramley and Leeds Dennis Murphy (screenwriter) (1932–2005), American author and screenwriter Dennis Murphy (1926–2021), co-founder of the World Hockey Association the Dennis A. Murphy Trophy, presented to the WHA's best defenceman, was named after him Dennis Murphy, 19th-century member of the Wisconsin State Senate and postmaster Dennis A. Murphy, member of the Massachusetts House of Representatives in 1911, and 1913–1918 Dennis J. Murphy (1932–2023), United States Marine Corps general Dennis M. Murphy, member of the Massachusetts House of Representatives from 1993 to 1999 Dennis Murphy, American-French ice hockey player and coach