Harleigh Hanrahan was an Australian former professional rugby league footballer who played in the 1920s and 1930s.
He played for Eastern Suburbs, University and South Sydney in the NSWRL competition.
Hanrahan made his first grade debut for University in round 1 of the 1928 NSWRFL season against Eastern Suburbs at the Royal Agricultural Society Showground.
In 1933, he played one season with Eastern Suburbs where the club reached the preliminary final against St. George.
In 1935, Hanrahan played one year at South Sydney but did not feature in their grand final loss to Eastern Suburbs.