Koji Nanbara (南原 宏治, Nanbara Kōji, June 7, 1927 – December 20, 2001) was a Japanese actor. He was born in Yokohama, Kanagawa, Japan. In 1951, he signed with Daiei film company. and made his film debut with Kamikaze Tokkotai.[1] Mostly famous later in his career for playing villains, he began acting in the 1950s under the name Shinji Nanbara.[2] He died of a myocardial infarction in Chōfu, Tokyo at age 74.[2]