Koji Date (伊達 幸志, Date Kōji, born November 23, 1987) is a Japanese actor and singer. He played Ootori Chotarou in The Prince of Tennis movie and The Prince of Tennis musicals. His first CD, named 逆光, was released on 7 November 2007, and contained 9 songs, all written and produced by Koji. He also played guitar in a band called . Their first single, 'No.1', was released on 7 December 2011.