S
- Southern African Institute of Fundraising (SAIF)
- Southern African Institute of Government Auditors (SAIGA)
- Southern African Institute of Mining and Metallurgy (SAIMM)
- Southern African Institute of Occupational Hygiene (SAIOH)
- Southern African Institute of Steel Construction (SAISC)
- Southern African Laboratory Diagnostics Association (SALDA)
- Southern African Lebanese Chamber of Commerce (SALCOC)
- Southern African Legal Information Institute (SAFLII)
- Southern African Light Steel Frame Building Association (SASFA)
- Southern African Linguistics and Applied Linguistics Society (SALALS)
- Southern African Marketing Research Association (SAMRA)
- Southern African National Foundation for The Conservation of Coastal Birds (SANCCOB)
- Southern African Netherlands Chamber of Commerce (SANEC)
- Southern African Plastic Pipe Manufacturers Association (SAPPMA)
- Southern African Project Controls Institute (SAPCI)
- Southern African Pump Systems Development Association (SASPDA)
- Southern African Radiation Protection Association (SARPA-SA)
- Southern African Regional Poverty Network (SARPN)
- Southern African Regional Universities Association (SARUA)
- Southern African Research and Innovation Management Association (SARIMA)
- Southern African Society for Horticultural Sciences (SASHS)
- Southern African Society for Plant Pathology (SASPP)
- Southern African Society for Trenchless Technology (SASTT)
- Southern African Society of Aquatic Scientists (SASAqS)
- Southern African Vehicle Rental and Leasing Association (SAVRALA)
- Southern African Vinyls Association (SAVA)
- Southern African Wildlife Management Association (SAWMA)
- Southern African Wildlife Management Association (SAWMA)
- Southern African Wood, Laminate and Flooring Association (SAWLFA)
- Southern African Youth in Energy Sector (SAYES)