St Mary's Banagher GAC (Irish: CLG Naomh Mhuire Beannchar) is a Gaelic Athletic Association club based in the Feeny / Park area of County Londonderry, Northern Ireland.

Banagher is a dual club and currently caters for Gaelic football, hurling and camogie.

The club motto is the Irish Ni neart go misneach, which translates as "No strength like courage".

The club have won the Derry Senior Hurling Championship on three occasions and have been runners up three times in the Derry Senior Football Championship Up until 1965, St Mary's Park and St Joseph's Banagher were the two teams in the area.

McNally went about reviving Gaelic football in the area by creating a new team to cover both Feeny and Park.