Teams Jason Harrison played for

Main FCMiddlesex (1994-1996)
Main ListAMiddlesex (1994-1996)
 Buckinghamshire (1998-2005)
 Lincolnshire (1999-2002)
Minor Counties ChampionshipBuckinghamshire (1991-2014)
 Lincolnshire (1999-2002)
Minor Counties TrophyBuckinghamshire (1994-2013)
 Lincolnshire (1999-2002)
Second Eleven ChampionshipHampshire Second XI (1991)
 Middlesex Second XI (1992-1997)
 Nottinghamshire Second XI (1997)
Second Eleven TrophyMiddlesex Second XI (1992-1997)
Home Counties Premier LeagueHigh Wycombe (2000-2006)
 Oxford (2007-2011)
County ChampionshipMiddlesex (1996)
MiscellaneousBuckinghamshire Under-25s (1990)
 High Wycombe (1990-2006)
 National Association of Young Cricketers South (1991)
 National Association of Young Cricketers (1991)
 Marylebone Cricket Club Schools (1991)
 National Cricket Association Young Cricketers (1991)
 Buckinghamshire (1991)
 Middlesex Second XI (1992-1997)
 Middlesex (1995)
 England and Wales Cricket Board XI (1999)
 Minor Counties (1999)
 Oxford (2007-2011)
 Middlesex County Cricket Club President's XI (2014)