List of Famous people born in Canton of St. Gallen, Switzerland

John Joseph Frederick Otto Zardetti was a Roman Catholic priest and Bishop in both Europe and the United States during the 19th century. He was an Auxiliary Bishop of Dakota Territory under Bishop Martin Marty, the first Bishop of the Roman Catholic Diocese of Saint Cloud, Minnesota, Archbishop of Bucharest, Romania, and Archbishop of Mocissus, Cappadocia. At the time of his death, he was allegedly being groomed to become the Papal Nuncio to Canada.

Karl Kobelt was a Swiss politician and member of the Swiss Federal Council.

Notker of Liège was a Benedictine monk, bishop (972–1008) and first prince-bishop (980–1008) of the Bishopric of Liège.

Karl Meier was a Swiss actor influential in the European LGBT social movement. He was a member of the socially active Cabaret Cornichon company, and editor for the gay magazine Der Kreis, which he edited under the pen name "Rolf".

Sebastian Gebhard Messmer was a Swiss-born prelate of the Roman Catholic Church. He served as bishop of the Diocese of Green Bay (1892–1903) and Archbishop of the Archdiocese of Milwaukee (1903–1930).

Jost Bürgi, active primarily at the courts in Kassel and Prague, was a Swiss clockmaker, a maker of astronomical instruments and a mathematician.

Hans Eidenbenz was a Swiss Nordic combined skier who competed in the 1920s. Competing in two Winter Olympics, his best finish was 15th in the Nordic combined event at Chamonix in 1924.