Jakub Niewiadomski

Jakub Niewiadomski (born 9 April 2002) is a Polish professional footballer who plays as a left-back for II liga club Pogoń Grodzisk Mazowiecki.

Lech Poznań
Jakub Niewiadomski signed a professional contract with Lech Poznań II on 1 July 2018. He was promoted to Lech Poznań in January 2020 and attended a training camp abroad. He made his debut for the Niewiadomski club on 2 November 2020 in the cup with a 2–3 win over Znicz Pruszkow, replacing Dani Ramírez from the reserve at the 76th minute.

GKS Jastrzębie (loan)
Niewiadomski joined GKS Jastrzębie on loan on 22 January 2021. Niewiadomski made his debut for the club on 6 March 2021, with a 2–0 win over Korona Kielce in the league match, with a 90th minute substitute. Niewiadomski scored his first goal for the club on 5 June 2021 in the 62nd minute in a 0–2 victory over GKS Belchatow in the league match. He returned to Lech Poznań on 31 December 2021.

Wisła Kraków
In the summer of 2022, he transferred to Wisła Kraków, one of the oldest clubs in the country, for free and signed a two-year contract. Niewiadomski made his debut for the club on 20 August 2022, with a 3–0 win against Skra Częstochowa in the league as a substitute in the 90th minute. His final senior team appearance for Wisła came on 30 September that year, playing the first 45 minutes of a 1–0 away loss to Chojniczanka Chojnice.

For the 2023–24 season, Niewiadomski was moved to a refounded reserve team, competing in the Lesser Poland group of the IV liga. He made 30 appearances and scored seven goals as Wisła II were crowned champions and returned to the fourth division after a seven-year absence. At the conclusion of the season, Niewiadomski was released by the club.

Pogoń Grodzisk Mazowiecki
On 10 July 2024, Niewiadomski joined II liga returnees Pogoń Grodzisk Mazowiecki on a deal until the end of the season, with an option for a further year.

International career
He has been capped at youth level for Poland.

Honours
Lech Poznań II
 * III liga, group II: 2018–19

Wisła Kraków II
 * IV liga Lesser Poland: 2023–24