English abbreviations from mugs to mup
- MUGS (Multipurpose Universal Gunner Sight)
- MUGT (Minolta User Group Thailand)
- MUGU (Point Mugu Naval Air Station, Point Mugu, California)
- MUGV (Manpackable Unmanned Ground Vehicle)
- MUH (Mersa Matruh Airport)
- MUHC (Manchester University Handball Club)
- MUI (Multilingual User Interface)
- MUJ (Mui Airport)
- MUK (Akatoka Manava Airport (Mauke Airport))
- MUL (Spence Airport)
- MULE (Modular Universal Laser Equipment (US))
- MULO (Multipurpose Overboot)
- MULTEWS (Multiple Target Electronic Warfare System)
- MULTEWS-A (MULTEWS, Airborne)
- MULTICS (MULTiplexed Information and Computing Service)
- MUM (Mumias Airport)
- MUMPS (Massachusetts General Hospital Utility Multi- Programming System)
- MUN (Maturín Airport)
- MUNG (Modify Until No Good)
- Muni (Municipality)
- MUNICS ((observing program) MUnich Near-Infrared Cluster Survey)
- MUNSNE (Model United Nations Social Network Embassy)
- MUO (Mountain Home Air Force Base)
- MUOS (Multi User Operating System)
- MUP (Medically underserved population)