Seyluhreppur is an old Icelandic hreppur, or rural municipality, that is today part of Skagafjörður County, Iceland. It is located west of the Héraðsvötn river and is named after the town of Stóra-Seyla in Langholt, which was where county assemblies were held.
Seyluhreppur consisted of four districts: Langholt, Vallhólmur, , and , aside from Fjall, Geldingaholt, and Húsabakkabæirnir, which were not considered to belong to any of the four districts. Seyluhreppur is wide, but only of the 's farms had land bordering the mountain. The municipality was completely located within the Glaumbær parish, where there were two churches: one in the town of Glaumbær and one in VÃÂðimýri. In centuries past, there was also a church in Geldingaholt.
Agriculture was long the primary occupation of Seyluhreppur's population, but shortly before 1950, a small urban area developed in VarmahlÃÂð, most of whose residents work in various types of businesses or in service jobs. has a school, community center, hotel, and swimming pool, as well as shops and other services. After incorporating into the County, 303 residents lived in the , with 125 in .
On June 6, 1988, the joined ten other local municipalities to form the eponymous municipality of : Skefilsstaðahreppur, Sauðárkrókur, Skarðshreppur, Staðarhreppur, Lýtingsstaðahreppur, RÃÂpurhreppur, ViðvÃÂkurhreppur, Hólahreppur, Hofshreppur, and Fljótahreppur.
The last government council in Seyluhreppur was selected in the May 28, 1994 municipal elections. It consisted of , and Sveinn Allan Morthens.
Council chairs: