Jason Dissanayake (born 1 October 1993) is a Sri Lankan rugby sevens player who predominantly plays as a flanker.
He was named in the Sri Lankan contingent for the 2011 Commonwealth Youth Games and he represented the Sri Lankan national youth rugby sevens team in the rugby sevens tournament held in the Isle of Men.
[3] He made his senior international debut for Sri Lanka 7's during the 2013 HSBC Asian Sevens Series in Mumbai.
[11][12] Jason crossed the try-scoring line on four occasions during the final of the 2016 Hong Kong Asian Sevens to give Sri Lanka an outside chance to nearly pull off a memorable victory.
[14] In April 2017, he was named in the Sri Lanka Tuskers squad ahead of the 2017 World Series Qualifiers in Hong Kong.