Mettet (French pronunciation: [mɛ.tɛ]; Walloon: Metet) is a municipality of Wallonia located in the province of Namur, Belgium.

The total area is 116.78 km², giving a population density of 103 inhabitants per km².

The municipality consists of the following districts: Biesme, Biesmerée, Ermeton-sur-Biert, Furnaux, Graux, Mettet, Oret, Saint-Gérard, and Stave.

In Mettet there is a race track, Circuit Jules Tacheny Mettet, for motorbikes and cars.

This Namur Province location article is a stub.