- Category : 1917-births
- Type : PSE
- Profile : 5/1 - Heretical / Investigator
- Definition : Single
- Incarnation Cross : LAX Masks 2
Chinese historian, Emeritus Professor at the Australian National University, and pioneer of Daoist studies, known for his influential essay "Was Celestial Master Zhang a Historical Figure?"
His name is also spelled Liu Ts 'un-yan or Liu Tsun-Yan. He died on 13 August 2009, aged 92.