St Malachy's GAA may refer to:
Edendork St Malachy's GAC, a sports club Moortown St Malachy's GAC, a sports club
See also Armagh Harps GFC, a descendant of a sports club named St Malachy's which existed in the 1940s Castledawson GAC, a sports club occasionally referred to as St Malachy's Castlewellan GAC, a sports club occasionally referred to as St Malachy's