| SMEC | Saint Margaret Engineering College 
| Others |
| SMEC | Sand Mountain Electric Cooperative
| Others |
| SMEC | School and Municipal Energy Cooperative
| Others |
| SMEC | School Museum European Cooperation
| Others |
| SMEC | School of Mechanical Engineering, VIT University
| Others |
| SMEC | Science and Math Education Center
| Others |
| SMEC | Science and Mathematics Education Conference
| Others |
| SMEC | Single Module Electronic Controller
| Others |
| SMEC | Single Module Engine Controller
| Others |
| SMEC | Snowy Mountain Engineering Consultancy
| Others |
| SMEC | Snowy Mountain Engineering Corporation
| Others |
| SMEC | Snowy Mountains Engineering Corporation
| Others |
| SMEC | Sociaal Maatschappelijke Ethische Commissie
| Others |
| SMEC | South Manila Educational Consortium
| Others |
| SMEC | Southeastern Massachusetts Educational Collaborative
| Others |
| SMEC | Southern Minnesota Education Consortium
| Others |
| SMEC | Southern Minnesota Energy Cooperative
| Others |
| SMEC | Southwest Mississippi Education Consortium
| Others |
| SMEC | St Martin's Engineering College
| Others |
| SMEC | Student Medical Education Committee
| Others |
| SMEC | Study of Matter at Extreme Conditions
| Others |
| SMEC | Submersible Microbial Electrolysis Cell
| Others |
| SMEC | Swine Medicine Education Center
| Others |