Mörlen is an Ortsgemeinde – a community belonging to a Verbandsgemeinde – in the Westerwaldkreis in Rhineland-Palatinate, Germany.

Mörlen belongs to the Verbandsgemeinde of Bad Marienberg, a kind of collective municipality.

A church in Mörlen appears in a charter granted by Emperor Frederick II on 19 October 1213 to the Teutonic Knights.

The community's centrepiece is the Catholic parish church, Maria Empfängnis (“Immaculate Conception”).

The nearest InterCityExpress stop is the railway station at Montabaur on the Cologne-Frankfurt high-speed rail line.