Stephen Scullion (born 9 November 1988) is an Irish middle-distance and long-distance runner.

[2] Scullion was selected for Northern Ireland at the 2010 Commonwealth Games in the 1500m and 5000m, but missed out due to illness.

At the 2019 Houston Marathon he finished tenth in a personal best, despite taking a wrong turn and being corrected by a member of the public.

[6][7][8] He competed in the men's marathon at the 2020 Summer Olympics held in Tokyo, Japan, but did not finish the race.

[9] He represented Northern Ireland at the 2022 Commonwealth Games where he finished 10th in the men's marathon event.