Zub is a surname meaning "tooth" in many Slavic languages. Notable people with the surname include:
Alexandru Zub (born 1934), Romanian historian Artem Zub (born 1995), Russian ice hockey player Jim Zub, Canadian comic book writer, artist, and art instructor Marek Zub (born 1964), Polish football player and football manager Mieczysław Zub (1953–1985), Polish serial killer Ryszard Zub (1934–2015), Polish fencer
See also Zubov (surname)