Jakub Kiwior

Jakub Piotr Kiwior (born 15 February 2000) is a Polish professional footballer who plays as a defender for Primeira Liga club Porto, on loan from Premier League club Arsenal, and the Poland national team. He will join Porto in a permanent deal on 1 July 2026. Kiwior made his professional debut in 2018 for Slovak side Železiarne Podbrezová, before moving to Žilina in 2019 and Spezia in 2021. In January 2023, after making 39 appearances for Spezia, he transferred to Premier League club Arsenal in a deal reported to be worth £20 million. He joined Porto on loan in August 2025. Kiwior has represented Poland for all youth levels U16 and up, and made his international debut on 11 June 2022. He was selected in the Polish squads for the 2022 World Cup and Euro 2024, starting in all matches in both tournaments.