Liu Xun may refer to:
- Liu Xun (劉詢), personal name of Emperor Xuan of Han, emperor of the Western Han Dynasty
- Liu Xun (Liu Zhang's son) (劉循), son of the warlord Liu Zhang during the late Eastern Han Dynasty
- Liu Xun (Han Dynasty) (劉勛), prefect of Lujiang during the late Eastern Han Dynasty
- Liu Xun (Later Liang), major general of Later Liang Dynasty