Rheineck railway station is a railway station that serves the municipality of Rheineck, in the canton of St. Gallen, Switzerland. The station is located on the eastern edge of Rheineck village centre, with the A1 motorway, the Alter Rhein river channel and then the border with Austria flanking the opposite side of the station. The station is an intermediate stop on the St. Margrethen–Rorschach railway line, and is the lower terminus of the Rheineck–Walzenhausen mountain railway.