Steinar Dagur Adolfsson (born 25 January 1970) is a retired Icelandic football defender.
In his early career he played for Valur, KR Reykjavik and ÍA Akranes.
[2] He joined Kongsvinger IL in 1999, and played semi-regularly the first two seasons.
[1][3] He was extensively capped for Iceland on youth level, especially U18 and U21,[4] and was subsequently capped 14 times and scored 1 goal for Iceland.
[2] This biographical article related to association football in Iceland is a stub.