Dominic Ryan (born 28 March 1990) is an Irish former professional rugby union player who last played for Leicester Tigers. He was a back row player, playing at predominantly openside or blindside flanker. During his first year in the Leinster academy, Ryan made his senior debut for the province in the Celtic League in late 2009. He made his first appearance in the Heineken Cup against Saracens in January 2011, scoring two tries. Ryan was selected as part of the Ireland Wolfhounds squad to face Scotland A and England Saxons, his first call-up to senior international duty.