Yunan may refer to:
- Yunan (in Arabic, Persian, Turkish and Urdu) = Ionia, an ancient region of central coastal Anatolia in present-day Turkey. It gave rise to the name of Greece in those languages.
- Yunan County (郁南县), in Guangdong, China
- Yun'an County (云安县), in Guangdong, China
- King Yunan, a character in One Thousand and One Nights