Masako Sato (born June 9, 1973) was an ice hockey player from Japan. She competed for her country in ice hockey at the 1998 Winter Olympics. She also played for Laval Le Mistral of the National Women's Hockey League in Laval, Quebec, Canada. She was second in team scoring during the 1999–2000 NWHL season. Her sister Rie played only one season with Le Mistral (1999-2000).