Seru is both a surname and a given name. Notable people with the name include:
People with the surname Seru Apaitia Seru, successor of Sailosi Kepa Inoke Seru, leader of a rump of the Fijian Association Party John Seru (born 1964), Australian entertainer
People with the given name Seru Abba Seru Gwangul (died 1778), chieftain of an Ethiopian ethnic group Seru Epenisa Cakobau (1815–1883), Fijian chief and warlord Various rulers of the Bariba state of Nikki Seru Rabeni (born 1978), Fijian rugby union footballer
See also Seru (disambiguation)