Karl Fridleifur Gunnarsson is a 25-year-old professional football player from ISL. He currently plays for Vikingur Reykjavik, wearing the number 22 shirt. At the international level, he represents Iceland. He plays primarily as a Defender. He stands at 186cm tall and weighs 72kg. His preferred foot is Right. His current market value is estimated at 300K .

His most recent move was a Free from Breidablik to Vikingur Reykjavik on 2022-02-17.

Throughout the Iceland Besta-deild karla 2025, Karl Fridleifur Gunnarsson featured in 23 matches, averaging 1.3 tackles, 0.3 interceptions, and 2.3 clearances per game, while blocking 0.3 shots per game.