| Abbreviation | Definition |
|---|---|
| SEC | So Everyone Cheats |
| SEC | Software Experience Center |
| SEC | Surely Everybody's Cheating |
| SEC | Surrrrrrrrrre Everyone Cheats |
| SECC | Student Employment and Career Centre |
| SECME | Science Engineering And Communications For Mathematic Enhancement |
| SECME | Science Engineering Communication And Mathematics Excellence |
| SED | Science Education Department, Harvard-Smithsonian Center for Astrophysics |
| SEDC | Southwestern Educational Developmental Consortium |
| SEDC | Student Entrepreneur Development Center |
| SEDO | Sustainable Energy Development Office |
| SEDRD | School of Environmental Design and Rural Development |
| SEE | Science Education And Ethics |
| SEE | Selection, Education, and Enrollment |
| SEE | Society, Economy, and Environment |
| SEE | Students For Energy Education |
| SEEC | Student Environmental Education Coordinator |
| SEEC | Student Environmental Education Coordinators |
| SEED | Scholars for Empowerment and Educational Development |
| SEED | Scottish Executive Education Department |