Saint Vincent Archabbey, was founded in 1846 by Father Boniface Wimmer, OSB, and is the oldest Benedictine monastery in the United States.

The Benedictine monks of Saint Vincent Archabbey operate and teach at Saint Vincent College and Saint Vincent Seminary in Latrobe, Pennsylvania, located 40 miles (64 km) southeast of Pittsburgh. The monks also provide pastoral care for Catholics in the Dioceses of Baltimore, Greensburg, Pittsburgh, Harrisburg, Altoona-Johnstown, and Richmond. The monks also run a military school in Savannah, Georgia (Benedictine Military School). The Archabbey also has priories in Taiwan and Brazil.

The current archabbot of St. Vincent’s is Rt. Reverend Douglas Nowicki, O.S.B. who was elected by the monastic community in 1991 and reelected in 2010.
Monks from this abbey founded Saint John’s Abbey (Collegeville, Minnesota), Saint Bernard Abbey (Cullman, Alabama), Saint Benedict Abbey (Atchison, Kansas), Saint Mary’s Abbey (Morristown, New Jersey), Saint Bede Abbey (Peru, Illinois), Saint Procopius Abbey (Lisle, Illinois), and Mary Help of Christians Abbey (Belmont, North Carolina).