Kacper Kostorz (born 21 August 1999) is a Polish professional footballer who plays as a forward for Eredivisie club NAC Breda, on loan from Pogoń Szczecin.
[4] On 17 February 2023, Kostorz was loaned until the end of the season with an option to make the move permanent to another Ekstraklasa side, Korona Kielce.
[5] On 11 July 2023, Kostorz joined Eerste Divisie side Den Bosch on a season-long loan, with an option to make the move permanent.
[6] In the 2023–24 season, he scored 16 goals in 38 appearances and was named the club's Player of the Year,[7] before announcing he would leave Den Bosch following the expiration of his loan.
[8] On 9 July 2024, Kostorz moved on loan with an option to buy to Eredivisie club NAC Breda until the end of the season.