Wurmsbach Abbey (Kloster Mariazell-Wurmsbach) is a monastery of Cistercian nuns located in Bollingen, a locality of Rapperswil-Jona, in the Canton of St. Gallen, Switzerland. It is located on the north shore of upper Lake Zürich. The house is a part of the Order of Cistercians of the Common Observance (O.Cist.).
