Zaini is a surname. Notable people with the surname include:
Helmy Faishal Zaini (born 1972), Indonesian politician Hill Zaini (born 1987), Bruneian singer and actor Jassim Zaini (1943–2012), Qatari artist Mohd Annuar Zaini (born 1951), Malaysian administrative figure Shahrin Zaini (born 1985), Bruneian former footballer Shahrol Yuzy Ahmad Zaini (born 1976) Malaysian motorcycle Grand Prix rider Yahya Zaini (born 1964), Indonesian politician
See also Zaini (given name)