OMN

OMN or omn may refer to:
 * Oman, ISO 3166-1 alpha-3 country code
 * Oromia Media Network, an Oromo news channel headquartered in Minneapolis, Minnesota, United States
 * OMN, the FAA LID code for Ormond Beach Municipal Airport, Florida, United States
 * OMN, the IATA code for Osmanabad Airport, Maharashtra, India
 * omn, the ISO 639-3 code for Minoan language, Crete