Klaus is a municipality in the district of Feldkirch in the Austrian state of Vorarlberg.
Klaus in Vorarlberg railway station is an intermediate station on the Vorarlberg railway line () traversing Vorarlberg in a northâÂÂsouth direction. The railway station is called at by the S1 and R5 regional train services of Vorarlberg S-Bahn, operated by Austrian Federal Railways (ÃÂBB).