| Abbreviation | Definition |
|---|---|
| SPR | Society for Psychophysiological Research |
| SPRC | Suicide Prevention Resource Center |
| SPRED | Special Religious Education |
| SPRP | Sonoran Pronghorn Recovery Project |
| SPUC | Society for the Protection of Unborn Children |
| SPUN | Society For The Protection Of Unborn Children through Nutrition |
| SPUR | San Francisco Bay Area Planning and Urban Research Association |
| SQA | Sustainable Quality Alliance |
| SRBV | Sindicato Rural de Bela Vista |
| SRBV | Surveyors Registration Board of Victoria |
| SRCA | Slate Roofing Contractors Association |
| SRDP | Slave River and Delta Partnership |
| SRF | Save The Rancor Foundation |
| SRF | Scientific Research Foundation |
| SRF | Scleroderma Research Foundation |
| SRIN | Sea Rescue Institute of Namibia |
| SRM | Society for Range Management |
| SRN | Scholarship Research Network |
| SRPA | Société Royale Protectrice des Animaux |
| SRPI | Society for Responsible Preventive Imaging |