| Acronym | Definition |
|---|
| MSSE➣Medicine & Science in Sports & Exercise |
| MSSE➣Microsoft Security Essentials (computer software) |
| MSSE➣Mini-Suffering State Examination (scale) |
| MSSE➣Math, Science and Special Education (various locations) |
| MSSE➣Ministry of Social Security and Employment (Portugal) |
| MSSE➣Master of Science in Software Engineering |
| MSSE➣Microsoft Search Server Express (software) |
| MSSE➣Multiple Self-Healing Squamous Epithelioma |
| MSSE➣Message Submission Service Element |
| MSSE➣Micro and Small Scale Entrepreneurship |
| MSSE➣methicillin-sensitive Staphylococcus epidermidis |
| MSSE➣Master of Science in Secondary Education (Rochester Institute of Technology and State University of New York) |
| MSSE➣Mobile Shared Spectrum Enabler |
| MSSE➣Marine Safety Specialist Engineering (US Coast Guard) |
| MSSE➣Market and Social Systems Engineering (lecture series) |