NSÍ Runavík is a Faroese football club, playing in Runavík founded 24 March 1957. In 2003 NSÍ participated for the first time on a European stage.
In 2007 the club won the Faroe Islands Premier League for the first time.
The club has won the Faroe Islands Cup in 1986, 2002 and 2017. Aside from these instances, NSÍ Runavík featured in the 1980, 1985, 1988, 2004 and 2015 tournament finals.
The club plays in yellow and black. Their stadium has a capacity of 2,000. It is not approved by UEFA for international play, so Runavík play their UEFA Europa League matches at Tórsvøllur in Tórshavn or Svangaskarð in Toftir. The main sponsor of NSÍ is Bakkafrost, which is based in Glyvrar near Runavík and is the largest salmon farming companies in the Faroe Islands and is one of the biggest private employer in the islands, if not the biggest.