Katzenelnbogen is a former Verbandsgemeinde ("collective municipality") in the Rhein-Lahn-Kreis, in Rhineland-Palatinate, Germany. Its seat was in Katzenelnbogen. On 1 July 2019, it was merged into the new Verbandsgemeinde Aar-Einrich.
The Verbandsgemeinde Katzenelnbogen consisted of the following Ortsgemeinden ("local municipalities"):
Allendorf Berghausen Berndroth Biebrich Bremberg Dörsdorf Ebertshausen Eisighofen Ergeshausen Gutenacker Herold <li> Katzenelnbogen <li> Klingelbach <li> Kördorf <li> Mittelfischbach <li> Niedertiefenbach <li> Oberfischbach <li> Reckenroth <li> Rettert <li> Roth <li> Schönborn