Gisli Thórdarson is a professional footballer from ISL and is currently 22 years old. He is on the books of Lech Poznan and wears shirt number 23. At international level, he features for Iceland U20. His main role on the pitch is Midfield. His stronger foot is Right. His estimated market valuation currently stands at 700K €.

His latest transfer saw him join Lech Poznan from Vikingur Reykjavik via Free on 2025-01-23. The move was reported at 0.5M €.

Over 21 appearances in the PKO Bank Polski EKSTRAKLASA 2025-2026, Gisli Thórdarson contributed 1 goals and 1 assists, completed 7 key passes from 156 total passes, and posted a passing accuracy of 6.3.