Merenberg is a community in Limburg-Weilburg district in Hesse, Germany.

Merenberg lies on the southern edge of the Westerwald between the district seat of Limburg and Weilburg.

Merenberg borders in the north on the community of Mengerskirchen, in the east on the community of Löhnberg, in the south on the town of Weilburg, in the southwest on the community of Beselich, and in the west on the community of Waldbrunn (all in Limburg-Weilburg).