Zach is a German and Czech surname. Notable people with the name include:
Anton von Zach (1747–1826), Austrian general Erwin von Zach (1872–1942), Austrian diplomat and sinologist Franz Xaver von Zach (1754–1832), Austrian astronomer Alexander Zach (born 1976), Austrian politician František Zach (1807–1892), Czech-born soldier, military theorist and freedom fighter Hilde Zach (1942–2011), first woman mayor of Innsbruck, Austria Jan Zach (1699–1773), Czech composer, violinist and organist Michal Zach (born 1969), Czech football manager Nathan Zach (1930–2020), Israeli poet
See also Zack (disambiguation) Izak (disambiguation) Zacha Guido A. Zäch (1935–2026), Swiss politician