KMN (disambiguation)
KMN may refer to:
- ISO 639-3 code for the Awtuw language, a Sepik language in Papua New Guinea
 - Postal code for Comino Island, Malta (Maltese: Kemmuna)
 - Kamina Airport, the IATA code KMN
 - kmn, a stage name of Heikki Saari (, Finnish drummer and musician
 - Pinyin code for Kunming South railway station
 - Order of the Defender of the Realm, a Malaysian federal award