MMY

MMY or mmy may refer to:


 * Mental Measurements Yearbook, an American non-fiction reference book
 * MMY, the greatest hits album by The Peggies
 * MMY, the IATA code for Miyako Airport, Okinawa, Japan
 * MMY, the Indian Railways station code for Marwar Mathania railway station, Rajasthan, India
 * MMY, the Metro Trains station code for Montmorency railway station, Melbourne, Victoria, Australia
 * MMY, the V/Line station code for Malmsbury railway station, Victoria, Australia
 * mmy, the ISO 639-3 code for Migaama language, Chad