Stefán Þór Ágústsson is a 25-year-old professional football player from ISL. He currently plays for Valur Reykjavik, wearing the number 25 shirt. He plays primarily as a Goalkeeper. His current market value is estimated at 50K €.

His most recent move was a from UMF Selfoss to Valur Reykjavik on 2024-02-01.

In the Iceland Besta-deild karla 2025, Stefán Þór Ágústsson played 24 matches, averaging 0 interceptions, 0 tackles, and 0.5 clearances per game.