Empress Nam Phuong (lit. "The South") (1914-1963) was the wife of Emperor Bảo Đại, the last emperor of Vietnam.

She was born Marie-Therese Nguyen Huu Thi Lan on December 4, 1914, in Go Cong, Long-Mỹ, Vietnam to Pierre Nguyen Huu-Hao and Marie Le Thi Binh. She was the granddaughter of Lê Phát Dat (an Indochinese billionaire). She studied at the Couvent des Oiseaux in Neuilly-sur-Seine, France.

On March 20, 1934, Emperor Bảo Đại married Marie-Therese, and then gave her the name Nam Phuong on March 24 (The South). They had five children: Crown Prince Bảo Long born on January 4, 1936, Phuong Mai born on August 1, 1937, Phuong Lien born on November 3, 1938, Phuong Dung born on February 5, 1942 and Bảo Thang born on December 9, 1943.