| Acronym | Definition |
|---|
| MSSM | Mount Sinai School of Medicine |
| MSSM | Maine School of Science and Mathematics |
| MSSM | Minimal Supersymmetric Standard Model |
| MSSM | Master of Science in Safety Management (various schools) |
| MSSM | Master of Science in Sustainability Management (various universities) |
| MSSM | Medical Staff Services Management (academic program) |
| MSSM | Master of Science In Systems Management |
| MSSM | Minimal Sypersymmetric Standard Model |
| MSSM | Master of Science in Strategic Management (academics) |
| MSSM | Master of Science in Security Management |
| MSSM | Modified Step-Segment Method |
| MSSM | Military Sea Service Museum (Sebring, FL) |