St Mary's is a Gaelic Athletic Association club based in the western ward of Sligo, County Sligo, Republic of Ireland.

It was the first Sligo club to win the Connacht Senior Club Football Championship, winning three titles.

As well as that, they are the only team to have won the county minor, U-21 and senior championship in Sligo in the same season, having done so in 1985 and 2015.

They have also won eleven senior county titles.

This Connacht GAA club related article is a stub.