Groussbus-Wal is a commune in northwestern Luxembourg, in the canton of Redange. It was established on 1 September 2023 with merger of the communes of Grosbous and Wahl. The town of Grosbous, which lies in the south of its former namesake commune, is the main town. Other towns within the commune include Wahl, Dellen, Buschrodt and Grevels.