Jason Neil Gillespie (born 19 April 1975) is an Australian cricket coach and former cricketer who played all three formats of the game.
Primarily a right-arm fast bowler, but he was also a competent lower-order batsman with a Test double century, an unbeaten 201, the highest score by a night-watchman in international cricket.
Gillespie made his Test debut against the West Indies at Sydney in 1996 and his One Day International debut against Sri Lanka at Colombo in the Singer World Series in 1996.
He played for South Australia, Yorkshire and Glamorgan at first-class level.
He was an AIS Australian Cricket Academy scholarship holder in 1995.On 29 February 2008, Gillespie announced his retirement from first-class cricket in Australia and then played for a period in the unauthorised Indian Cricket League for the Ahmedabad Rockets.
At the end of the 2008 English domestic season he retired from all first-class cricket.