Nguyễn Huỳnh Đức was a general and official of the Nguyễn Dynasty of Vietnam.

He served as a general of Nguyễn Ánh during the Nguyễn Lords' fight against the Tây Sơn rebellion. Nguyễn Ánh prevailed in 1802 and became Emperor Gia Long

Gia Long

Emperor Gia Long , born Nguyễn Phúc Ánh , was an emperor of Vietnam...

, establishing the Nguyễn Dynasty. Duc then served as the viceroy of southern Vietnam during Gia Long's reign.