| MUG | Mens Under Garment | 男士内衣 |
| MUG | Music Unto God | 音乐献给上帝 |
| MUG | Multi User Groups | 多用户组 |
| MUG | Mens' Ultimate Grooming | 男性的最终目的 |
| MUG | Mechanics Usage Grammar | 力学使用语法 |
| MUG | My Users Group | 我的用户组 |
| MUG | Minimal Unsolvable Graph | 最小不可解图 |
| MUG | Mechanical Utility Gizmo | 机械工具Gizmo |
| MUG | My Undergraduate Group | 我的本科生组 |
| MUG | Mobiele Urgentiegroep (Mobile Urgence Group; special ambulance team) | Mobiele紧急小组(机动紧急小组;特殊救护队) |
| MUG | Multi-User Game | 多用户游戏 |
| MUG | Midshipman Under Guidance | 海军候补生在指导下 |
| MUG | Microcomputer User's Group | 微型计算机用户的组 |
| MUG | Minimum Usage Guarantee (voice and data plans) | 最低使用保证(语音和数据计划) |
| MUG | Manning Unit Group | 部队人员配备小组 |
| MUG | Microcomputer Users Group | 微机用户组 |
| MUG | Macintosh Users Group | Macintosh用户组 |
| MUG | Moves of Uncommon Greatness | 非同寻常的伟大之举 |
| MUG | Miser Users Group | Miser用户组 |
| MUG | Make-Up Gas | 补充气体 |
| MUG | MATE Users Group | MATE用户组 |
| MUG | Michigan/usr/group | 密西根州/使用/组 |
| MUG | Male Unbifurcated Garment (alternative to trousers) | 男性无分叉服装(裤子的替代品) |
| MUG | Make-Up Games | 化妆游戏 |
| MUG | Mechanics, Usage, Grammar (education) | 力学、用法、语法(教育) |
| MUG | Multi-User Group | 多用户组 |
| MUG | Mac User Group | Mac用户组 |
| MUG | Multi User Game | 多用户游戏 |
| MUG | Multi-User Gallery | 多用户库 |