Lê Ngọc Bình (黎玉玶, 1785 – 1810) was a Vietnamese princess, youngest daughter of Emperor Lê Hiển Tông of Lê dynasty. Her early life was unknown, when the Tây Sơn dynasty succeeded Lê dynasty as the official dynasty of Vietnam; Emperor Quang Trung ordered his Crown Prince Nguyễn Quang Toản (later Emperor Cảnh Thịnh) to marry her. In 1801, Nguyễn Ánh's force, main rival of Tây Sơn, captured Phú Xuân and forced Cảnh Thịnh flee to Tonkin and left Lê Ngọc Bình and his wives behind. Nguyễn Ánh captured but did not threaten Bình; then Ánh married her regardless of dissuasions of his followers.