Jason John Greenslade[2] (born 6 March 1970) is a Welsh international indoor and lawn bowler.

[4] Greenslade took up bowling at the age of eight after his parents (both Welsh internationals) introduced him to the sport.

[5] In 2001, he won the Hong Kong International Bowls Classic singles title.

He also won a bronze medal at the 2004 World Outdoor Bowls Championship in the pairs again with Robert Weale.

Individual success includes the 2004 Scottish Masters and 2006 Welsh International Open but his greatest achievement indoors was winning the Open pairs with bowls partner Les Gillett at the 2017 World Indoor Bowls Championship in Great Yarmouth.