| Abbreviation | Definition |
|---|---|
| SAFAS | Scottish Association of Flower Arrangement Societies |
| SAFR | Scottish Action For Refugees |
| SAI | Scottish Agricultural Institute |
| SAIC | Scottish Aquaculture Innovation Centre |
| SAPU | Scottish Antibody Production Unit |
| SASA | Scottish Agricultural Science Agency |
| SATH | Scottish Association of Teachers of History (UK) |
| SAWB | Scottish Agricultural Wages Board |
| SAY | Scottish Album of the Year |
| SBAAG | Scottish Borders Africa AIDS Group (Scotland, UK) |
| SBBA | Scottish Brass Band Association |
| SBET | Scottish Bulletin of Evangelical Theology |
| SBRG | Scottish Borders Repeater Group |
| SBRQ | Scottish Building Regulation Qualification |
| SBTP | Scottish Borders Tourism Partnership |
| SC | Scottish Cup |
| SCAA | Scotland's Charity Air Ambulance |
| SCAP | Scottish Charity Appeals Panel |
| SCCR | Scottish Centre for Conflict Resolution |
| SCD | Scottish Country Dancing |