Crown Princess Masako (皇太子妃雅子, Kōtaishihi Masako?, the Crown Princess Masako) (born 9 December 1963) is the wife of Crown Prince Naruhito, the first son of the Emperor Akihito and the Empress Michiko, and a member of the Imperial House of Japan through marriage.
Born Masako Owada (小和田 雅子, Owada Masako?), she is eldest daughter of Hisashi Owada, a senior diplomat, and President of the International Court of Justice. She has two younger sisters, twins named Setsuko and Reiko.
Masako went to live in Moscow with her parents when she was two years old, where she completed her kindergarten education. Upon returning to Japan, she attended a private girls' school in Tokyo, Denenchofu Futaba, from elementary school through her second year of senior high school. Masako and her family moved to the United States when her father became a guest professor at Harvard University and vice ambassador to the United States. In 1981, she graduated from Belmont High School, where she was president of the National Honor Society, and she entered Radcliffe College.