Trans is a village in the municipality of Tomils in the district of Hinterrhein in the Swiss canton of Graubünden. In 2009 Trans merged with Feldis/Veulden, Scheid and Tumegl/Tomils to form the municipality of Tomils.
Trans is first mentioned in the middle of the 12th Century as Hof ad Tranne.
Trans has an area, as of 2006, of 7.4 km2 (2.9 sq mi). Of this area, 30.2% is used for agricultural purposes, while 46.4% is forested. Of the rest of the land, 1.3% is settled (buildings or roads) and the remainder (22%) is non-productive (rivers, glaciers or mountains).
The municipality is located in the Domleschg sub-district, of the Hinterrhein district. It consisted of the haufendorf (an irregular, unplanned and quite closely packed village, built around a central square) village of Trans, located on a terrace 1,473 m (4,833 ft) above the eastern side of the Hinterrhine valley.
Trans has a population (as of 2007) of 56, all Swiss. Over the last 10 years the population has decreased at a rate of -17.6%.