Karol Grzegorz Świderski (born 23 January 1997) is a Polish professional footballer who plays as a striker for Greek Super League club Panathinaikos and the Poland national team.

[6] On 20 January 2019, PAOK FC confirmed the signing of Świderski, penning a 3.5-year contract with the Polish forward on a €2 million transfer fee.

[16] On 4 January 2020, the Polish forward gleefully slotted home the rebound after Julián Cuesta clumsily spilled a shot from Dimitris Pelkas, to open the score in an away 4–2 loss against rivals Aris, as PAOK were finally beaten after 51 games in Superleague.

[17] On 19 January 2020, Swiderski finished clinically with a low shot on the turn to open the score in a 3–1 home win game against Asteras Tripoli.

[18] On 12 February 2020, Świderski received a wonderful pass from Dimitris Pelkas, and the Polish striker subsequently beat Sokratis Dioudis with a pinpoint attempt, helping reigning Greek Cup winners PAOK breezed through to the semi-finals of the Greek Cup, defeating Panathinaikos 1–0 in Athens to complete a 3–0 aggregate triumph.

[21][22] On 26 January 2022, Charlotte FC announced the signing of Świderski from PAOK to a Designated Player contract through the 2025 season with an option for 2026.

[23] On 1 February 2024, Świderski went back to Europe to join Serie A club Hellas Verona on loan until the end of the year, with an option to make the move permanent.

[26] Świderski was chosen in March 2015 by the Polish U-18 national team coach Rafał Janas to play in the LFF U-18 Federation Cup.