{{Campaignbox Southward expansion of the Han dynasty}}
The '''Han conquest of Dian''' was a series of military campaigns and expeditions by the Chinese [[Han dynasty#Western Han|Western Han dynasty]] recorded in contemporary textual sources against the Kingdom of [[Dian Kingdom|Dian]] in modern-day [[Yunnan]]. Dian was placed under Western Han rule in 109 BC, after [[Emperor Wu of Han]] dispatched an army against the kingdom as the [[Southward expansion of the Han dynasty|empire expanded southward]].
