Mark Walter Harris (22 August 1947 – 15 January 2020) was an Australian professional rugby league footballer who played for the Eastern Suburbs (1970–79) and North Sydney (1980–81) clubs.

In a Fox Sports interview in 2019 just before his death, Harris said he was playing Rugby Union on the Sunshine Coast when recruited by Easts.

Harris turned down a place on the 1973 Kangaroo tour of Great Britain and France to trial with an American football team, the Philadelphia Eagles.

[2][3] Harris returned to the Roosters and was a member of some of Eastern Suburbs greatest teams, winning premierships with that club in 1974 and 1975.

During the 1976 NSWRFL season, Harris played as a centre for Eastern Suburbs in their 1976 World Club Challenge match against British champions St. Helens in Sydney.