| Acronym | Definition |
|---|
| MOSS | Microsoft Office SharePoint Server |
| MOSS | Moving Object Support System |
| MOSS | Map Overlay Statistical System |
| MOSS | MIME Object Security Services |
| MOSS | Minimum Operating Security Standards |
| MOSS | Measure of Software Similarity (computer anti-plagiarism program) |
| MOSS | Member of the Same Sex |
| MOSS | Multi Oscillator Synthesis System (Korg expansion board) |
| MOSS | Metropolitan Open Space System |
| MOSS | Market Oriented Sector Specific |
| MOSS | Mobile Submarine Simulator |
| MOSS | Museum of Sustainable Style (Chicago, IL) |
| MOSS | Musculoskeletal Occupational Surveillance Scheme |
| MOSS | Moron Optical Space Surveillance (USAF Moron AB, Spain system) |
| MOSS | Mobile Oceanographic Support System |
| MOSS | Modulated Optical Solid-State Spectrometer |
| MOSS | Manned Orbital Space Station |
| MOSS | Mapping Overlay Statistical System |
| MOSS | Masala, Oil, Salt and Sugar (diet) |
| MOSS | Mail-Extensions Object Security Services |
| MOSS | Moving Object Scheduling System |
| MOSS | Manned Orbital Space System |
| MOSS | Maintenance Operational Shop Stock |
| MOSS | Mission Operations Support Services |
| MOSS | Mobility Support Sets |
| MOSS | Management Operations and Student Support (US FEMA) |
| MOSS | Maintenance Operating Support Set |
| MOSS | Maintenance Operational Systems Support (US DoD) |