阿尔滕基兴（德语：Altenkirchen）位于德国莱茵兰-普法尔茨州南部，是阿尔滕基兴县的县治。

Altenkirchen (  ) is a town in Rhineland-Palatinate, Germany, capital of the district of Altenkirchen. It is located approximately 40 km east of Bonn and 40 km north of Koblenz. Altenkirchen is the seat of the Verbandsgemeinde ("collective municipality") Altenkirchen.