|Full name||Mark Earl Dennis|
|Date of birth||2 May 1961|
|Place of birth||Streatham, Greater London|
|Height||5 ft 9 in (1.75 m)|
|Playing position||Left back|
|1987–1988||Queens Park Rangers||28||(0)|
|* Senior club appearances and goals counted for the domestic league only|
Mark Earl Dennis (born 2 May 1961) is an English former footballer who played at left back for Birmingham City, Southampton, Queens Park Rangers and Crystal Palace. He was capped three times for England under-21s.
Dennis was born in Streatham, London. As a player, he was a First Division runner-up with Southampton in 1983–84, and won promotion from the Second Division in 1979–80 with Birmingham City. He was their Player of the Year the previous season. His "no nonsense attitude and tough tackling" earned him the nickname Psycho, long before this was given to Stuart Pearce; Dennis was sent off 12 times in his career.
He became manager of Fleet Town in September 2002 alongside Adrian Aymes, but left the club at the end of the 2002–03 season. He spent time as assistant manager at Eastleigh, was a presenter on 107.8 Radio Hampshire, and acted as director of football at Winchester City.
- "Mark Dennis". Barry Hugman's Footballers. Retrieved 28 November 2019.
- Rollin, Jack, ed. (1980). Rothmans Football Yearbook 1980–81. London: Queen Anne Press. p. 62. ISBN 0362 02017 5.
- Matthews, Tony (1995). Birmingham City: A Complete Record. Derby: Breedon Books. p. 82. ISBN 978-1-85983-010-9.
- Courtney, Barrie (10 January 2004). "England - U-21 International Results 1976-1985 - Details". Rec.Sport.Soccer Statistics Foundation (RSSSF). Retrieved 8 May 2009.
- Holley, Duncan. "Mark Dennis Southampton FC". Sporting Heroes. Retrieved 10 June 2015.
- "Where Are They Now: Birmingham City 1979–80". The League Paper. 12 September 2013. Retrieved 10 June 2015.
- "Player of the Year". The Birmingham City FC Archive. 13 December 2002. Archived from the original on 30 March 2003.
- "Winchester City pen pics". Match programme. Taunton Town F.C. 14 February 2009. p. 26.
- Hants star Aymes is Fleet boss Daily Echo, 4 September 2002
- History of Fleet Town Football Club FleetHants
- "Club Officials". Winchester City F.C. Archived from the original on 17 March 2009.
- Mark Dennis at Post War English & Scottish Football League A–Z Player's Database
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