Huan Tan
|s= |p=Huán Tán |w=Huan T‘an |altname=Master Huan |c2= |p2=Huánzǐ |w2=Huan-tzu |altname3=Junshan(courtesy name) |c3= |p3=Jūnshān |w3=Chün-shan }}
Huan Tan (BC– AD28) was a Chinese philosopher, poet, and politician of the Western Han and its short-lived interregnum between AD9 and 23, known as the Xin dynasty.
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