Gareth Haggerty (born 8 September 1981) is a former Ireland international rugby league footballer. He played for the Widnes Vikings in the Co-operative Championship. He previously played for Harlequins RL, St Helens and the Salford City Reds all of whom play in the Super League. Haggerty's usual position was as a prop. He is a specialist impact player, coming off the interchange bench.