David Kopacz (born 29 May 1999) is a Polish professional footballer who plays as a midfielder for Górnik Zabrze on loan from VfB Stuttgart.
He holds dual Polish and German citizenship but competes internationally for Poland.
In the summer of 2018 Kopacz joined VfB Stuttgart on a four-year-deal.
On 16 July 2019, he was loaned out to Górnik Zabrze until the end of the 2019–20 season.
On 5 August 2019, Kopacz made his debut in the Ekstraklasa against Wisla Kraków.