Busskirch is a village (Kirchdorf) within the municipality of Rapperswil-Jona in the Canton of St. Gallen , Switzerland.

The village is located along the northern shore of the Obersee lakeshore between Jona and Bollingen . Busskirch was part of the former municipality of Jona: On January 1, 2007, the former municipalities of Rapperswil and Jona merged to form the new political entity Rapperswil-Jona.

Beginning in the 1st century A.D., Busskirch was a Roman lakeside settlement that served as a stage town on the intersection of the streets to Kempraten (Latin: Centum Prata ) respectively Zürich (Turicum), Winterthur (Vitudurum) and to Chur (Curia Rhaetorum) respectively on the waterway Walensee–Zürichsee to Rome's alpine route.