Riehen (Swiss Standard German pronunciation: [ˈriːən] ; Swiss German: Rieche) is a municipality in the canton of Basel-Stadt in Switzerland. Together with the city of Basel and Bettingen , Riehen is one of three municipalities in the canton.

Riehen hosts the Fondation Beyeler (a privately owned art gallery) as well as a toy museum and several parks.

Riehen was the first municipality in Switzerland to elect a woman, Trudy Späth-Schweizer to political office, in 1958.

The mathematician Leonhard Euler and the tennis player Roger Federer lived in Riehen during their childhood years.

Riehen is first mentioned in 1157 as Rieheim.