Vonnas (French pronunciation: [vɔna]; Arpitan: Vonâs) is a commune in the Ain department in eastern France.

Vonnas has a famous restaurant with three stars in the Guide Michelin, the Hotel Restaurant Georges Blanc.

The Veyle forms part of the commune's northeastern border, flows west through the northern part of the commune, then forms part of its northwestern border.

Vonnas station has rail connections to Bourg-en-Bresse, Ambérieu-en-Bugey and Mâcon.

This Ain geographical article is a stub.