Sevgein (Romansh pronunciation: [sɛvˈdʑɛjn] ⓘ; German: Seewis im Oberland) is a former municipality in the district of Surselva in the Swiss canton of Graubünden.

Of the rest of the land, 5.2% is settled (buildings or roads), and the remainder (3.7%) is non-productive (rivers, glaciers or mountains).

Most of the population (as of 2000[update]) speaks Romansh (54.6%), with German being second most common (44.9%) and Portuguese being third ( 0.5%).

[6] The age distribution, as of 2000[update], in Sevgein is; 23 children or 11.1% of the population are between 0 and 9 years old and 37 teenagers or 17.9% are between 10 and 19.

[5] In the 2007 federal election the most popular party was the CVP which received 36.9% of the vote.