Kaiku Rajkumar (born 3 January 1974 ) is an Indian actor, who has appeared in Manipuri films.Rajkumar made his film debut with the 2003 romantic film Kalpana. He has appeared in more than 400 Manipuri films. Some of his films are Ta-Tomba the Great, Nungshit Mapi, and Mami.[5][6] In addition to films, he has also worked in Shumang Leela including Border.

He contested the 2019 Parliamentary election in the Inner Manipur Lok Sabha Constituency as an independent candidate. Unfortunately, he did not win the election.