Schwarzenbach SG railway station () was a railway station in Schwarzenbach in the municipality of Jonschwil in the canton of St. Gallen (SG), Switzerland. It was located on the St. GallenâÂÂWinterthur railway line, between and . The station was closed in 2013 with the introduction of the St. Gallen S-Bahn. The station building opened in 1927.