| Abbreviation | Definition |
|---|---|
| SDLINCQAQC | SDLINC Quality Assurance and Quality Control |
| SDM | Sanutayshun Department Muzick |
| SDN | Student Doctor Network |
| SDQ | Student Descriptive Questionnaire |
| SDR | Student Disability Resources |
| SDS | South Dakota State |
| SDS | Students for a Democratic Society |
| SDS | Students For Democratic Society |
| SDSMT | South Dakota School of Mines and Technology |
| SDSU | San Diego State University |
| SDSU | South Dakota State University |
| SDU | Scrapbook Design University |
| SDZ | Stereo Dual Zoom microscope |
| SE | Scientific and Engineering |
| SE | Student Edition |
| SE | Student Exercises |
| SEA | Students For Environmental Action |
| SEAC | Safety Environmental Assurance Centre |
| SEAC | Student Environmental Action Coalition |
| SEAD | Summer Enrichment At Dartmouth |