Alpnachstad railway station is a Swiss railway station in the municipality of Alpnach in the canton of Obwalden. It is on the Brünig line, owned by the Zentralbahn, that links Lucerne and Interlaken. Alpnachstad PB railway station, the lower terminus of the Pilatus Railway, a rack railway that ascends to the summit of Pilatus, is located across the street.

Alpnachstad station is one of two Zentralbahn stations to serve Alpnach, the other being Alpnach Dorf, which is on the Brünig line some 1.5 kilometres (0.93 mi) to the south, and nearer the centre of Alpnach.