Yverdon-les-Bains (French pronunciation: [ivɛʁdɔ̃ le bɛ̃] ) (called Eburodunum and Ebredunum during the Roman era; Arpitan: Invèrdon) is a municipality in the district of Jura-Nord vaudois of the canton of Vaud in Switzerland. It is the seat of the district. The population of Yverdon-les-Bains, as of December 2020, was 29,955.

Yverdon is located in the heart of a natural setting formed by the Jura mountains, the plains of the Orbe, the hills of the Broye and Lake Neuchâtel. It is the second most important town in the Canton of Vaud. It is known for its thermal springs and is an important regional centre for commerce and tourism.