Date of Birth: 
About Steinar Dagur Adolfsson
- 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.
- He joined Kongsvinger IL in 1999, and played semi-regularly the first two seasons.
- He left after the 2001 season.He has been capped 14 times and scored 1 goal for Iceland.
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