Bjarni Mark Antonsson is a professional footballer from ISL and is currently 31 years old. He is on the books of Valur Reykjavik and wears shirt number 6. His main role on the pitch is Midfield. His stronger foot is Left. His estimated market valuation currently stands at 225K €.

His latest transfer saw him join Valur Reykjavik from Start Kristiansand via Free on 2024-04-03.

Over 24 appearances in the Iceland Besta-deild karla 2025, Bjarni Mark Antonsson contributed 1 goals and 1 assists, completed 5 key passes from 1048 total passes, and posted a passing accuracy of 37.