| Student Professional Awareness Conference | Academic & Science |
| Soil-Plant-Atmosphere Continuum | Academic & Science |
| Soil-plant-air consortium | Academic & Science |
| South Philippine Adventist College | Academic & Science |
| Society of Professional Accountants of Canada | Business |
| Student Postdoc Advisory Committee | Business |
| Statewide Parent Advisory | Business |
| Standing Pharmaceutical Advisory Committee | Business |
| Skate Park Advisory Committee | Business |
| Special Purpose Acquisition Corporation | Business |
| Special-Purpose Acquisition Company | Business |
| Special Purpose Acquistion Company | Business |
| Services Policy Advisory Committee | Business |
| Saratoga Performing Arts Center | Community |
| Shaw Performing Arts Centre | Community |
| Saint Paul Athletic Club | Community |
| Sauk Prairie Aquatic Club | Community |
| The State Public Affairs Committee | Community |
| State Public Affairs Committee | Community |
| Searchable Proceedings of Animal Conferences | Community |
| SPACious | Community |
| Skinner Park Advisory Council | Community |
| Service Provider Action Council | Computing |
| School Photographers Association of California | General |
| Special purpose acquisition companies | General |
| State Perkins Accountability Congress | General |
| Schema Parser and Code | General |
| Standard Player Agent Contract | General |
| Standards Policies and Administrative Controls | General |
| Special Purpose Acquisition Corporations | General |
| Strategic Planning Advisory Council | Governmental |
| Supervisor Political Action Committee | Governmental |
| State Parent Advisory Council | Governmental |
| Sentencing and Policy Advisory Council | Governmental |
| Sentencing Policy Advisory Council | Governmental |
| State Pharmaceutical Administration of China | Governmental |
| Sargas Pharmaceutical Adherence and Compliance | Medical |
| Ciro Alegria, Peru | Regional |
| Skateboard Park Advisory Committee | Sports |
| Stevens Pass Alpine Club | Sports |
| São Paulo Athletic Club | Sports |
