Moutier (French pronunciation: [mutje]) is a municipality in Switzerland. Currently, the town belongs to the Jura bernois administrative district of the Canton of Bern . On 28 March 2021, the population voted to secede from the canton of Bern and join the Canton of Jura ; the decision however is not immediately operative and entails a lengthy process of transfer of competences between cantonal authorities. It is currently the largest town in Jura bernois.

Moutier is first mentioned in 1154 in the phrase datum Monasterii. In 1181, it was mentioned as apud Monasterium ('at the Abbey').