Millstatt am See is a market town in the Spittal an der Drau District of Carinthia, Austria. It lies on the shore of Lake Millstatt (Millstätter See), the large lake in the Carinthian lake district from which the town takes its name.
The town is a traditional health resort and spa town. Its most notable landmark is the former Benedictine Millstatt Abbey, founded about 1070.