Gisli Thórdarson is a 22-year-old professional football player from ISL. He currently plays for Lech Poznan, wearing the number 23 shirt. At the international level, he represents Iceland U20. He plays primarily as a Midfield. His current market value is estimated at 700K €.

His most recent move was a Free from Vikingur Reykjavik to Lech Poznan on 2025-01-23. The reported fee was 0.5M €.

Across 21 appearances in the PKO Bank Polski EKSTRAKLASA 2025-2026, Gisli Thórdarson registered 1 goals and 1 assists, while completing 7 key passes out of 156 total passes with a passing accuracy of 6.3.