Hồ Nguyên Trừng

Hồ Nguyên Trừng (chữ Hán: 胡元澄, pinyin: Hu Yuancheng; also known as Lê Trừng, Chinese: 黎澄; pinyin: Lí Chéng; courtesy name Mạnh Nguyên; 1374–1446) was a Vietnamese scholar, official, and engineer. He was the oldest son of Emperor Hồ Quý Ly (1336–1407) and older brother of Emperor Hồ Hán Thương. Under the pen-name Nam Ông (南翁, Old Man of the South), he wrote the Nam Ông mộng lục (chữ Hán: 南翁夢錄, literally Dream Memoir of Nam Ông).