| Abbreviation | Definition |
|---|---|
| SAFAR | Society Against False Accusations of Rape |
| SAFB | San Antonio Food Bank |
| SAFC | SIDS Alliance/ First Candle |
| SAFE | Salvation Army Fellowship of Endeavour |
| SAFE | Save Animals From Elimination |
| SAFE | Solvent Abuse Foundation for Education |
| SAFE | Southern African Fund for Education |
| SAFEKIDS | National Safe Kids Campaign |
| SAFER | Safety Advisory Foundation for Education end Research |
| SAFF | Save America's Forests Fund |
| SAFG | Scandinavian American Foundation of Georgia |
| SAFG | Scientific Adventures for Girls |
| SAFMA | South Asian Free Media Association |
| SAGA | Scientific Association For Global Awareness |
| SAGE | Students' Alliance for Good Education |
| SAHF | Salvadoran American Humanitarian Foundation |
| SAHL | Salvation Army Harbor Light |
| SAHUMANE | San Antonio Humane Society |
| SAI | Scenic America, Inc. |
| SAI | Society of Atherosclerosis Imaging |