Rietli railway station (German: Bahnhof Rietli) is a railway station in Gais, in the Swiss canton of Appenzell Ausserrhoden.

It is an intermediate stop on the 1,000 mm (3 ft 3+3⁄8 in) metre gauge Altstätten–Gais line and is served by local trains only.

Rietli is served by the S24 of the St. Gallen S-Bahn:[1]