Kupchak

Kupchak/ Kupczak is a Polish surname and may refer to:
 * Józef Kupczak (1917-1999), Polish road racing cyclist
 * Mateusz Kupczak (born 1992), Polish footballer
 * Mitchell "Mitch" Kupchak (born 1954), 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 (born 1992), Polish Nordic combined skier
 * Volodymyr Kupchak (born 1978), Ukrainian politician, member of the Verkhovna Rada