Marienberg Rural LLG is a local-level government of East Sepik Province, Papua New Guinea. The Marienberg languages are spoken in this LLG, as well as various Lower Sepik-Ramu languages and the isolate Tayap.
Bad Marienberg is a town in the Westerwaldkreis in Rhineland-Palatinate, Germany, and also the seat of the like-named Verbandsgemeinde, a kind of collective municipality.