Ágúst Orri Thorsteinsson is a 22-year-old professional football player from ISL. He currently plays for Breidablik, wearing the number 15 shirt. At the international level, he represents Iceland U20. He plays primarily as a Midfield.

Across 26 appearances in the Iceland Besta-deild karla 2025, Ágúst Orri Thorsteinsson registered 2 goals and 2 assists, while completing 30 key passes out of 631 total passes with a passing accuracy of 20.2.