Ágúst Orri Thorsteinsson is a 21-year-old professional football player from ISL. At the international level, he represents Iceland U20. He plays primarily as a Midfield. His preferred foot is Right. His current market value is estimated at 150K .

His most recent move was a from Breidablik to Excelsior SBV on 2026-08-24.

Across 3 appearances in the UEFA European U21 Championship qualification 2025-2026, Ágúst Orri Thorsteinsson registered 1 goals and 1 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.