GMM

GMM may refer to:
 * Generalized method of moments, an econometric method
 * GMM Grammy, a Thai entertainment company
 * Gaussian mixture model, a statistical probabilistic model
 * Google Map Maker, a public cartography project
 * GMM, IATA code for Gamboma Airport in the Republic of the Congo
 * Good Mythical Morning, an online morning talk show hosted by YouTubers, Rhett and Link
 * Global Marijuana March, a worldwide demonstration associated with cannabis culture
 * Graspop Metal Meeting, a Belgian heavy metal festival held annually in Dessel
 * Gimar Montaz Mautino, a french manufacturer of ski lifts