Halldór Jón Sigurdur Thórdarson is a professional footballer from ISL and is currently 30 years old. He is on the books of IBV Vestmannaeyjar and wears shirt number 80. His main role on the pitch is Midfield. He measures 180cm in height and weighs 70kg. His estimated market valuation currently stands at 10K .

His latest transfer saw him join IBV Vestmannaeyjar from Fylkir via on 2026-03-10.

Over 20 appearances in the Iceland Besta-deild karla 2024, Halldór Jón Sigurdur Thórdarson contributed 3 goals and 1 assists, completed 0 key passes from 0 total passes, and posted a passing accuracy of -.