Official of late Goryeo and early Joseon
| Era | 고려·조선 |
| Clan | 서산 류씨 |
Ryu Baek-yu, with the posthumous name Munjeong, is said to be a son of Ryu Bang-taek. He topped the civil examination in 1369 and served as pannaebusisa under King U. He is said to have been exiled to Gwangju in 1391 for criticizing the land reform.
After the founding of Joseon he became left remonstrator-general in 1407. His birth and death years could not be confirmed.