| Acronym | Definition |
|---|
| MSU➣Michigan State University |
| MSU➣Morehead State University (Kentycky) |
| MSU➣Montana State University |
| MSU➣Mississippi State University |
| MSU➣Minnesota State University |
| MSU➣Montclair State University (Upper Montclair, NJ, USA) |
| MSU➣Minot State University (North Dakota) |
| MSU➣Missouri State University (formerly Southwest Missouri State University SMSU) |
| MSU➣Midwestern State University (Wichita Falls, Texas) |
| MSU➣Murray State University |
| MSU➣Mountain State University (West Virginia) |
| MSU➣Morgan State University (Baltimore, Maryland) |
| MSU➣Moscow State University (Russian Federation) |
| MSU➣Mahasarakham University (Thailand) |
| MSU➣Maharaja Sayajirao University (India) |
| MSU➣Management and Science University (Malaysia) |
| MSU➣Maxxpro Survivability Upgrade (US Army) |
| MSU➣Mayville State University (North Dakota) |
| MSU➣McNeese State University |
| MSU➣Mindanao State University |
| MSU➣McNeese State University (Lake Charles, Louisiana) |
| MSU➣Microwave Sounding Unit |
| MSU➣Muslim Student Union |
| MSU➣Marine Safety Unit |
| MSU➣Marshal of the Soviet Union (Russia) |
| MSU➣Microsoft University |
| MSU➣Multiple Small Units (gaming) |
| MSU➣Medical Support Unit (various organizations) |
| MSU➣Mobile Stroke Unit (cardiology) |
| MSU➣Mass Storage Unit |
| MSU➣Management Support Unit |
| MSU➣Making Stuff Up |
| MSU➣Monosodium Urate |
| MSU➣Mécanisme de Supervision Unique (French: Single Supervisory Mechanism; EU) |
| MSU➣Memorial Student Union (various schools) |
| MSU➣Memphis State University |
| MSU➣Unit of Measure |
| MSU➣Main System Unit (electronics) |
| MSU➣Message Signal Unit |
| MSU➣Mid-Stream Urine (sample) |
| MSU➣Mobile Surgical Unit |
| MSU➣Multinational Specialized Unit (NATO) |
| MSU➣Maximum Security Unit (prison) |
| MSU➣Mimar Sinan University |
| MSU➣Major Subordinate Unit |
| MSU➣Mobile Screening Unit (healthcare) |
| MSU➣Medical Statistics Unit (various locations) |
| MSU➣Maharaja Sayajirao University of Baroda (Gujarat, India; also seen as MSUB) |
| MSU➣Millions of Service Units |
| MSU➣Medium Secure Unit (psychiatric facility) |
| MSU➣Make Something Up |
| MSU➣Mu Sigma Upsilon (multicultural sorority) |
| MSU➣McMaster Student Union |
| MSU➣Mid-Stream Specimen of Urine (diagnostic) |
| MSU➣Managed Service Upgrade (software) |
| MSU➣Maseru, Lesotho - Maseru (Airport Code) |
| MSU➣Modem Sharing Unit |
| MSU➣Multi-Subscriber Unit |
| MSU➣Medical Service Unit |
| MSU➣Matrix Switching Unit (Paragon) |
| MSU➣Microsoft Update Standalone Package for Windows Vista |
| MSU➣Mushroom Society of Utah (Utah) |
| MSU➣Memory Scheduling Unit |
| MSU➣Modular Switching Unit |
| MSU➣Media Server Unit |
| MSU➣Metallic Service Unit |
| MSU➣Message Storage Unit |
| MSU➣Mine Search Unit |
| MSU➣Morehead Sate University (Morehead, KY) |
| MSU➣Management Station for Unix |
| MSU➣Maintenance and Status Unit |
| MSU➣Master Supervisory Unit (Alcatel) |
| MSU➣Management Station for ULTRIX (DEC) |
| MSU➣Microbacterial Subliminal Univalve (shellfish biology) |
| MSU➣Modular Service Unit (telecommunications) |
| MSU➣Message System Upgrade |
| MSU➣Medium Size Unit (UK) |
| MSU➣Million Statistical Unit |
| MSU➣Mid-Shakedown Upkeep |