| Abbreviation | Definition |
|---|---|
| SSU | Savannah State University |
| SSU | Shawnee State University |
| SSU | Shawnee State University, Portsmouth, Ohio |
| SSU | Social Sciences Unit |
| SSU | Sonoma State University |
| SSU | Sonoma State University's |
| SSU | Southern States University |
| SSU | Southwest State University |
| SSU | Swarthmore Students Union |
| SSUO | Sonoma State University Observatory |
| SSUO | Support Staff University of Ottawa |
| SSW | School of Social Work |
| SSW | School of Social Work, Florida State University |
| SSWFSU | School of Social Work, Florida State University |
| SSWI | Social Science & Writing Intensive |
| ST | Special Topics |
| ST | Sports Technology |
| STA | Student Technology Assistant |
| STA | Student Travel Agency |
| STAC | Science Technology And Culture |