The Congregation of Saint Michael the Archangel (CSMA) (Latin: Congregatio Sancti Michaëlis Archangeli), also known as the Michaelite Fathers, is a religious institute of the Roman Catholic Church founded in 1897 by the Blessed Father Bronisław Markiewicz, a Polish priest from Miejsce Piastowe, Poland. The Congregation of Saint Michael the Archangel is one of the 30 officially recognized groups of the Salesian Family of Don Bosco.
On September 29, 1921, the Bishop of Krakow Adam Stefan Sapieha issued the Erecting Decree of the Congregation. On 15 June 1966, the Congregation was affirmed under papal law. It was recognized by Pope Paul VI on June 15, 1966.
Headquartered in the suburbs of Warsaw(52°21′42″N 21°8′15.5″E / 52.36167°N 21.137639°ECoordinates: 52°21′42″N 21°8′15.5″E / 52.36167°N 21.137639°E), the congregation now operates in a number of countries around the world including Argentina, Paraguay, Italy, Germany, Belarus, Papua New Guinea, Australia, Austria, Canada and the USA. At the end of 2010, the congregation had 27 communities and 346 members, including 262 priests.