Arnar Thor Helgason is a 30-year-old professional football player from ISL. He currently plays for Grotta Seltjarnarnes, wearing the number 2 shirt. He plays primarily as a Defender. He stands at 201cm tall and weighs 88kg.

His most recent move was a from Grotta Seltjarnarnes to KF Kría on 2025-03-10.

Throughout the Iceland 1. Deild Karla 2024, Arnar Thor Helgason featured in 20 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.