Bjarni Adalsteinsson is a professional footballer from ISL and is currently 27 years old. His main role on the pitch is Midfield. He measures 181cm in height and weighs 73kg. His stronger foot is Right. His estimated market valuation currently stands at 200K €.

His latest transfer saw him join Roskilde from KA Akureyri via on 2025-12-31.

Over 1 appearances in the Iceland Super Cup 2025, Bjarni Adalsteinsson contributed 0 goals and 0 assists, completed 0 key passes from 26 total passes, and posted a passing accuracy of 13.