Saignelégier (French pronunciation: [sɛɲleʒje]) is a municipality in the Canton of Jura in Switzerland . It is the seat of the district of Franches-Montagnes. On 1 January 2009, the formerly independent municipalities of Goumois and Les Pommerats merged into Saignelégier.

The bog and nature preserve around étang de la Gruère is located in the municipality. It is also the home of noted brewery Brasserie des Franches-Montagnes.

Saignelégier is first mentioned in 1294 as Saignelegier.