WESTbahn Management GmbH is an open access railway company operating express train services on Austria's Western Railway since 11 December 2011. The French railway company SNCF has a 17.4 percent stake in WESTbahn.

The Western Railway is a two-track, partly four-track, electrified railway line in Austria that runs from Vienna to Salzburg via St. Pölten and Linz Hauptbahnhof and is one of the major lines of Austria. It was originally opened as the Empress Elisabeth Railway in 1858 (Vienna–Linz). The line is owned and operated by Austrian Federal Railways (ÖBB).