St. Mary's Church is a Catholic parish located in Ballston Spa, New York. It is located within the Roman Catholic Diocese of Albany. Father Thomas J. Kelly is the current pastor. St. Mary's is the fourth oldest parish in the Diocese. St. Mary's of Ballston Spa is partnered with St. Mary's of Galway, after the pastor at St. Mary's of Galway died and no replacement was available.
St. Mary J. Kelly is the current pastor of St. Mary's Church.