Huainan (disambiguation)

Huainan is a city in Anhui, China

Huainan may also refer to:
 * Huainan, the area south of the Huai River and north of the Yangtze River in central Anhui
 * Huainan Circuit, one of the major administrative units of the Tang dynasty
 * Wu (Ten Kingdoms) (907–937), a state in imperial China's Five Dynasties and Ten Kingdoms period also known as Huainan
 * King of Huainan, a noble title in the Han Dynasty (206 BC – 220 AD)
 * Huainanzi, a 2nd-century BC Chinese philosophical classic