Reiko Niwa was born on 17 January 1958 in Suita, Osaka, Japan. She was an actress, known for Torakku yarô: Goiken muyô (1975), Gunshû no naka no satsujin (1958) and Wong ga jin si (1986). She was married to Takashi Sato. She died on 5 July 2018 in Shibuya, Tokyo, Japan.