| Acronym | Definition |
|---|
| MNS | Minutes |
| MNS | Minister of National Security (various locations) |
| MNS | Maharashtra Navnirman Sena |
| MNS | Malaysian Nature Society |
| MNS | Mathematical and Natural Sciences (various schools) |
| MNS | Minneapolis Northfield & Southern (railway) |
| MNS | Money Never Sleeps (film) |
| MNS | Mental, Neurological, and Substance Use (disorder) |
| MNS | Military Nursing Service (India) |
| MNS | Managed Network Security |
| MNS | Minimal Node Size |
| MNS | Majority Node Set |
| MNS | Menu Source |
| MNS | Mission Needs Statement (US DoD) |
| MNS | Mirror Neuron System |
| MNS | Mass Notification System |
| MNS | Mine Neutralization System (US Navy; US DoD) |
| MNS | Managed Network Solutions (various locations) |
| MNS | Monday Night School (various schools) |
| MNS | Maître Nageur Sauveteur |
| MNS | Melnick-Needles Syndrome |
| MNS | MobileNet Services, Inc. (Irvine, CA) |
| MNS | Metis Nation of Saskatchewan |
| MNS | Managed Network Service (Sprint) |
| MNS | Master Navigator Software |
| MNS | Micro and Nano System |
| MNS | Metro News Service (Texas) |
| MNS | Mobile Net Switch (software) |
| MNS | Music Never Stops |
| MNS | Months-No-Sale |
| MNS | Munsch Network Solutions LLC (South Carolina) |
| MNS | Medill News Service |
| MNS | Minneapolis, Northfield, and Southern Railway |
| MNS | Masters of Natural Science |
| MNS | Madras Naturalists' Society (India) |
| MNS | Malton Neighbourhood Services (Canada) |
| MNS | Milwaukee Numismatic Society |
| MNS | Modular Number System |
| MNS | Marine Navigation Services |
| MNS | Master Nuclear Schedule |
| MNS | Major New System |
| MNS | Masculus Nutrix Societas |
| MNS | Multilateral Netting System/Service |