Sebastian Wiktor Walukiewicz (born 5 April 2000) is a Polish professional footballer who plays as a defender for Serie A club Torino and the Poland national team.

[3] On 1 September 2022, he moved to Serie A club Empoli on loan until the end of the season with an option and a conditional obligation to buy.

[5] On the summer transfer deadline day in 2024, Walukiewicz moved to fellow Serie A club Torino on a three-year contract, for a reported fee of €5 million.

[7] Four days later, he made his competitive debut, playing a full game in the Nations League 0–0 home draw against Italy.

During a friendly match against Ukraine on 7 June 2024 prior to said tournament, he scored his first international goal which Poland won 3–1.