Ryan Sissons (born 24 June 1988) is a New Zealand triathlete. Born in Bulawayo, Zimbabwe, Sissons represented New Zealand at the 2012 London Olympics in the triathlon where he finished 33rd. At the 2014 Commonwealth Games, he finished in 13th in the individual event and was part of the New Zealand mixed relay team that finished in 5th. At the 2016 Summer Olympics, he finished in 17th.