Les Agettes is a former municipality in the district of Hérens in the canton of Valais in Switzerland . The municipality of Les Agettes merged on 1 January 2017 into Sion.

Les Agettes is first mentioned in 1190 as Agietes.

Les Agettes had an area, as of 2009, of 5.1 square kilometers (2.0 sq mi). Of this area, 1.02 km2 (0.39 sq mi) or 20.0% is used for agricultural purposes, while 3.45 km2 (1.33 sq mi) or 67.8% is forested. Of the rest of the land, 0.55 km2 (0.21 sq mi) or 10.8% is settled (buildings or roads) and 0.05 km2 (12 acres) or 1.0% is unproductive land.