Zeynalov is a surname. Notable people with the surname include:
Eldaniz Zeynalov (1927–2001), Azerbaijani actor Mahir Zeynalov (born 1970), Azerbaijani journalist Marif Zeynalov (born 1934), Azerbaijani geologist Ruslan Zeynalov (born 1982), Ukrainian footballer Sabir Zeynalov (born 2005), Azerbaijani para taekwondo practitioner Zeynal Zeynalov (footballer) (born 1979), Azerbaijani footballer Zeynal Zeynalov (1876–1935), Azerbaijani politician of Talysh descent