Arni Frederiksberg is a 34-year-old professional football player from FRO. He currently plays for KI Klaksvik, wearing the number 7 shirt. At the international level, he represents Faroe Islands. He plays primarily as a Forward. He stands at 180cm tall and weighs 78kg. His preferred foot is Left. His current market value is estimated at 225K €.

His most recent move was a Free from B36 Torshavn to KI Klaksvik on 2021-01-08.

In the Faroe Islands Premier League 2025 season, Arni Frederiksberg scored 18 goals and provided 17 assists across 24 appearances, averaging 0.8 goals per game with 0 shots attempted and 0 on target.