| Rank | Abbreviation | Meaning |
|---|
| ***** | MELS | Model Early Learning Standards
| |
| ***** | MELS | Ministère de l'Education, du Loisir et du Sport
| |
| ***** | MELS | Maintenance Engineering Library Server
| |
| ***** | MELS | Minimum Equipment Lists
| |
| ***** | MELS | Mining Equipment Limited Size
| |
| **** | MELS | Miami East Local Schools
| |
| **** | MELS | multiangle electrophoretic light scattering
| |
| *** | MELS | Muslim Education Literary Services
| |
| *** | MELS | Maximum Exposure Limits
| |
| *** | MELS | Ministry of Education Leisure and Sport
| |
| *** | MELS | Modular Extracorporeal Liver System
| |
| ** | MELS | M-enk-like substance
| |
| ** | MELS | Manager of Extended Learning and Services
| |
| ** | MELS | methionine enkephalin-like substance
| |
| ** | MELS | Modular Extracorporeal Liver Support
| |
| * | MELS | Microsoft Enterprise Location Server
| |
| * | MELS | Multibeam Electron Lithography System
| |
| * | MELS | Minimum Essential Logistics Support
| |
| * | MELS | Ministry of Environment of Lower Saxony
| |
| * | MELS | Military Electronics Lab
| |
| * | MELS | Medical Equipment Loan Services
| |
| * | MELS | Michigan Entry Level Standards
| |
| * | MELS | Millfield English Language School
| |
| * | MELS | Multimedia E Learning Services
| |
| * | MELS | Molecularly Engineered Layered Structures
| |