Suraua is a former municipality in the district of Surselva in the canton of Graubünden in Switzerland. The former municipality was formed on January 1, 2002 through the union of Camuns, Surcasti, Tersnaus, and Uors-Peiden. The municipalities of Cumbel, Degen, Lumbrein, Morissen, Suraua, Vignogn, Vella, and Vrin merged on 1 January 2013 into the new municipality of Lumnezia.
The municipality was formed on 1 January 2002 through the merger of Camuns, Surcasti, Tersnaus, and Uors-Peiden.
The municipal coat of arms is Vert a Bend wavy Azure fimbriated Argent and overall an Annulet of the last and a Mullet of Four Or frettee.
The coat of arms was chosen through a contest where the children of the municipality were invited to submit their design for the new coat of arms following the merger. It symbolizes the geography of the municipality, with a river flowing though the green woods and fields. In the center is a ring that symbolizes the merger of the four former municipalities which are symbolized by the points of the star.