Jóhann Thór Arnarsson is a professional footballer from ISL and is currently 25 years old. He is on the books of HK Kópavogur and wears shirt number 9. His main role on the pitch is Forward. He measures 168cm in height and weighs 59kg. His stronger foot is Right. His estimated market valuation currently stands at 100K €.

His latest transfer saw him join HK Kópavogur from Throttur Vogum via Free on 2025-03-19.

During the Iceland 1. Deild Karla 2025 campaign, Jóhann Thór Arnarsson made 24 appearances, scoring 10 goals and adding 2 assists. He averaged 0.4 goals per match from 0 shots, with 0 on target.