Olczak

Olczak is a surname. Notable people with the surname include:


 * Arek Olczak (born 1963), Australian wrestler
 * Jacek Olczak (born 1965), Polish businessman
 * Joanna Olczak-Ronikier (born 1934), Polish writer
 * Marta Olczak (born 1994), Polish figure skater