Żak (pronounced like French Jacques) is a Polish family name.

• Zygmunt Solorz-Żak (born 1956) Polish businessman
• Szymon Żak (1507–1591) Polish Calvinist pastor

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