Arnar Daníel Adalsteinsson is a 22-year-old professional football player from ISL. He currently plays for Fram Reykjavik, wearing the number 4 shirt. He plays primarily as a Defender. His preferred foot is Right. His current market value is estimated at 25K €.

His most recent move was a from Rutgers Scarlet Knights (Rutgers University of NJ) to South Carolina Gamecocks (University of SC) on 2025-12-31.

Throughout the Iceland Besta-deild karla 2025, Arnar Daníel Adalsteinsson featured in 6 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.