Chermignon (French pronunciation: [ʃɛʁmiɲɔ̃]) is a former municipality in the district of Sierre in the canton of Valais in Switzerland . On 1 January 2017 the former municipalities of Chermignon, Mollens, Montana and Randogne merged into the new municipality of Crans-Montana .

Chermignon is first mentioned in 1228 as Chermenon and Chirminon. It became an independent municipality in 1905 when it separated from Lens.

Chermignon had an area, as of 2009, of 5.4 square kilometers (2.1 sq mi). Of this area, 2.09 km2 (0.81 sq mi) or 38.8% is used for agricultural purposes, while 1.64 km2 (0.63 sq mi) or 30.5% is forested.