Keiji Sada is the stage name for a Japanese cinema actor active from the late-1940s to the early 1960s. His real name was Kanichi Nakai. He won the award for best actor at the 7th Blue Ribbon Awards for Anata Kaimasu and Taifū Sōdōki. He was the father of the actor Kiichi Nakai and actress Kie Nakai.
