Jóhann Thór Arnarsson is a 24-year-old professional football player from ISL. He currently plays for HK Kópavogur, wearing the number 9 shirt. He plays primarily as a Forward. He stands at 168cm tall and weighs 59kg. His current market value is estimated at 100K €.

His most recent move was a Free from Throttur Vogum to HK Kópavogur on 2025-03-19.

In the Iceland 1. Deild Karla 2025 season, Jóhann Thór Arnarsson scored 10 goals and provided 2 assists across 24 appearances, averaging 0.4 goals per game with 0 shots attempted and 0 on target.