Küblis or Kublis is a Swiss village in the Prättigau and a municipality in the political district Prättigau/Davos Region in the canton of the Grisons .

Küblis is first mentioned in 1351 as ze Cüblins. In 1389 it was mentioned as Kúblis.

Küblis has an area, as of 2006, of 8.1 km2 (3.1 sq mi). Of this area, 44% is used for agricultural purposes, while 42.4% is forested. Of the rest of the land, 4.9% is settled (buildings or roads) and the remainder (8.6%) is non-productive (rivers, glaciers or mountains).