Untermosel is a former Verbandsgemeinde ("collective municipality") in the district Mayen-Koblenz, in Rhineland-Palatinate, Germany.
It is situated along the lower course of the river Mosel, south-west of Koblenz.
The seat of the municipality was in Kobern-Gondorf.
On 1 July 2014 it merged into the new Verbandsgemeinde Rhein-Mosel.
The Verbandsgemeinde Untermosel consisted of the following Ortsgemeinden ("local municipalities"): This Mayen-Koblenz location article is a stub.