| MUF | Micro-Unit Frame | 微型单元框架 |
| MUF | Mascot User's Forum | 吉祥物的用户的论坛 |
| MUF | Most Usable Frequency (DoD) | 最可用频率（DoD） |
| MUF | Maximum Usable Frequency | 最大可用频率 |
| MUF | Multi-User Forth | 多用户第四 |
| MUF | Make-Up Feed | 补充饲料 |
| MUF | Material Unaccounted For (nuclear industry) | 未计算材料（核工业） |
| MUF | Muting, Indonesia | Muting，印度尼西亚 |
| MUF | Muniholdings Florida Insured Fund II | Muniholds佛罗里达州保险基金II |
| MUF | Model Uncertainty Factor | 模型不确定性因素 |
| MUF | Mollet Underground Foundation (band) | Mollet地下基础（带） |
| MUF | Mysterious Unknown Force | 神秘未知力量 |
| MUF | Manly Ultimate Frisbee | Manly终极飞盘 |
| MUF | Maximum Urgency First | 最大紧急程度优先 |
| MUF | Mark Up Factor | 加价系数 |
| MUF | Alpha Software, Inc., Alpha Five Temporary Access Control File | Alpha Software，Inc.，Alpha Five临时访问控制文件 |
| MUF | Moderata Ungdoms Förbundet | Moderata Ungdoms Förbundet |
| MUF | Minimum Usable Frequency | 最小可用频率 |
| MUF | Materials Unaccounted For | 未计算的材料 |
| MUF | Morristown Unitarian Fellowship | 莫里斯顿一神论团契 |