Luven (formerly known as Luvis) is a former municipality in the district of Surselva in the Swiss canton of Graubünden. On 1 January 2014 the former municipalities of Luven, Castrisch , Ilanz, Ladir , Pitasch , Riein , Ruschein , Schnaus , Sevgein , Duvin , Pigniu , Rueun and Siat merged into the new municipality of Ilanz/Glion .

Luven is first mentioned in 765 as Lobene.

The municipal coat of arms is a red field with a white Bible with black Alpha and Omega letters on it. It represents the conversion of the village to the Protestant Reformation.

Before the merger, Luven had a total area of 6.6 km2 (2.5 sq mi).