Frosti Brynjolfsson is a 26-year-old professional football player from ISL. He currently plays for UMF Selfoss, wearing the number 21 shirt. He plays primarily as a Midfield. He stands at 181cm tall and weighs 73kg. His current market value is estimated at 50K €.

His most recent move was a Free from Haukar Hafnarfjordur to UMF Selfoss on 2025-02-05.

Across 5 appearances in the Iceland League Cup 2025, Frosti Brynjolfsson registered 3 goals and 0 assists, while completing 0 key passes out of 0 total passes with a passing accuracy of -.