Alpnachstad PB railway station (German: Bahnhof Alpnachstad PB) is a railway station in the municipality of Alpnach, in the Swiss canton of Obwalden.

It is the base station of the Pilatus Railway rack railway that ascends near the summit of Pilatus.

The station is located across the street from the Alpnachstad station of Zentralbahn on the Brünig line.

The following services stop at Alpnachstad PB:[1]