Saint-Luc is a village in the district of Sierre in the Swiss canton of Valais. An independent municipality before, it merged on 1 January 2009 with neighboring Ayer, Chandolin, Grimentz, Saint Jean and Vissoie to form the municipality of Anniviers. Saint-Luc is first mentioned in 1267 as Lus. In 1304 it was mentioned as Luc, which was the official name until 1904. The name Saint-Luc first appears around 1850.