Champéry is a municipality in the district of Monthey in the canton of Valais in Switzerland.

Champéry is first mentioned in 1286 as Champery

The Hotel Dent-du-Midi opened in 1857. In 1969, Champéry became one of the founding villages of the Portes du Soleil ski area and resort.

Champéry has an area, as of 2011^[update], of 39 square kilometers (15 sq mi). Of this area, 32.7% is used for agricultural purposes, while 33.4% is forested. Of the rest of the land, 3.6% is settled (buildings or roads) and 30.3% is unproductive land.

The municipality is located in the Monthey district, in the Val-d'Illiez, on the French border. It consists of the linear village of Champéry, which was part of the municipality of Val-d'Illiez until 1839 when it became independent.

The blazon of the municipal coat of arms is Quartered Argent issuant from three Mounts Vert as many Pine Trees of the same trunked proper and Azure stantant on ground Or a man proper clad of the same troused Argent holding a bag of the same sowing seeds Or from it.