GMU

GMU may refer to:


 * Gaelic medium unit (in Scottish education)
 * George Mason University, in Virginia, United States
 * IATA Airport Code for Greenville Downtown Airport, in South Carolina, United States
 * Guangzhou Medical University, in China
 * Guglielmo Marconi University, in Italy
 * Guizhou Medical University, in China
 * Gulf Medical University, in the UAE
 * ISO language code for Gumalu language
 * Guarded Memory Unit, a feature in Intel i960