Naoki Nagasaka (長坂 尚樹、born 24 April 1953) is a Japanese former racing driver. He has competed professionally in several Japan championships from the 1970s to the 1990s. He won the Japanese Touring Car Championship in 1985 and 1987, where he collected 6 wins and 15 podiums. He was also crowned at the 1984 All Japan Sports Prototype Championship.