旧明斯特是奥地利的城镇，位于该国北部，距离格蒙登约3公里，由上奥地利负责管辖，面积79平方公里，海拔高度442米，主要经济活动是旅游业和轻工业，2012年人口9,520。

Altmünster is a market town located about 3 kilometres south of Gmunden in the Austrian state of Upper Austria, on the west shore of the Traunsee. Its economic base consists primarily of tourism, light industry, and as a bedroom community for people working in larger communities such as Gmunden and Vöcklabruck.