| GMU | Geotechnical Mapping Unit | 岩土测绘组 |
| GMU | Gas Metering Unit | 气体计量装置 |
| GMU | Game Management Unit | 游戏管理单元 |
| GMU | Geographic Management Unit | 地理管理股 |
| GMU | Grant Management Unit (fundraising) | 赠款管理股（筹款） |
| GMU | GPS Monitoring Units | GPS监测装置 |
| GMU | General Motors University | 通用汽车大学 |
| GMU | George Mason University | 乔治·梅森大学 |
| GMU | Gyro Mechanical Unit | 陀螺机械装置 |
| GMU | Guided Missile Unit | 导弹小队 |
| GMU | Gold Musketeer's Uchigatana (gaming) | 金Musketeer的Uchigatana(游戏) |