Stefán Þór Ágústsson is a professional footballer from ISL and is currently 26 years old. He is on the books of Valur Reykjavik and wears shirt number 25. His main role on the pitch is Goalkeeper. His estimated market valuation currently stands at 50K €.

His latest transfer saw him join Valur Reykjavik from UMF Selfoss via 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.