| Abbreviation | Definition |
|---|---|
| SABC | Self Aid & Buddy Care |
| SAGGY | Scouts and Girl Guides York |
| SAHK | Scout Association of Hong Kong |
| SBCA | Southern Baptist Camping Association |
| SCOPE | Scouts Centennial Ontario Pennsylvania Expedition |
| SCOUT | Scouting |
| SFC | Super Fun Camp |
| SFFC | South Fork Forest Camp |
| SGDS | Scouts et Guides Du Senegal |
| SGRP | Sage Grouse Restoration Project |
| SHFT | Survival, Hunting, Fishing, Trapping |
| SHSR | Sand Hill Scout Reservation |
| SID | Scouting Internet Directory |
| SIRS | Scout International Relief Service |
| SISC | SMils International Summer Camps |
| SISCA | Seminole Indian Scouts Cemetery Association |
| SLAC | Service Leadership Adventure Club |
| SLCD | Spring Loaded Camming Device |
| SLSA | Saint Lucia Scout Association |
| SM | Scout Meeting |