Arnar Bergmann Gunnlaugsson (born 6 March 1973) is an Icelandic football coach managing Víkingur in the Úrvalsdeild.

He is a retired international player.^[3] During his career he enjoyed spells at Leicester City, Stoke City, Bolton Wanderers, IA Akranes, 1. FC Nürnberg, Feyenoord and Dundee United.

While at Leicester City he played a key role in their victorious 1999–2000 Football League Cup campaign. He made two appearances during the run,^[4] and both times came on as a substitute and scored in a penalty shootout; once against Leeds United^[5] and once against Fulham.^[6] He was not part of Leicester's squad for the 2000 League Cup Final at Wembley, however days after the final he was loaned out to Stoke where he had a second opportunity to play at the stadium; this time starting as Stoke won the 2000 Football League Trophy Final.^[7]

As a young player, Arnar made several appearances for the Icelandic international youth teams.^[8] Arnar made his debut for Iceland in an April 1993 friendly match against the United States. He went on to earn 32 caps, scoring three goals between 1993 and 2003.^[9] His last international match was an April 2003 friendly match against Finland in which he was substituted with Veigar Páll Gunnarsson.