Reiko Sato (Japanese: レイコ・佐藤; December 19, 1931 – May 28, 1981) was an American dancer and actress.

Sato was born in Los Angeles, California, to an issei Zen Buddhist priest, Ken-ichi Sato, and his wife Chieko. She and her family were interned at the Gila River War Relocation Center during World War II. Her mother became a real estate investor after the war; Reiko also had an older brother, Keiichiro, and a younger brother, Koji. She graduated from Belmont High School in 1949, later attending Los Angeles City College. She continued her studies in ballet.