Kupchak
Kupchak/ Kupczak is a Polish surname and may refer to:
- , Polish road racing cyclist
- Mateusz Kupczak, Polish footballer
- Mitchell "Mitch" Kupchak, retired American basketball player and general manager of the Los Angeles Lakers and Charlotte Hornets, National Polish-American Sports Hall of Fame member
- Szczepan Kupczak, Polish Nordic combined skier
- Volodymyr Kupchak, Ukrainian politician, member of the Verkhovna Rada