Żak (pronounced like French Jacques) is a Polish family name.
Mirosław Żak (1936–2025), Polish geodesist and academic Szymon Żak (1507–1591), Polish Calvinist pastor Zygmunt Solorz-Żak (born 1956), Polish businessman
In the Polish wikipedia :pl:Maciej Żak (1962) Polish film director :pl:Cezary Żak (1961) Polish actor :pl:Stanisław Żak (1932) Polski literature scholar :pl:Piotr Żak (1957) Polish politician and bridge player :pl:Adam Żak (1950) Polski Jezuit philosopher :pl:Czesław Żak (1895–1959) Polish composer