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

This disambiguation page lists articles associated with the title GMM.
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