| Abbreviation | Definition |
|---|---|
| SAI | Sociedad Argentina de Inmunología |
| SAI | Society All Inclusive |
| SAI | Society of Actuaries in Ireland |
| SAIB | Argentine Society for Biochemical and Molecular Biology Research |
| SAIB | Sociedad Argentina de Investigacin Bioqumica y Biologa Molecular |
| SAIB | Sociedad Argentina de Investigación Bioquímica y Biología Molecular |
| SAIC | Argentine Society of Clinical Research |
| SAIC | Sociedad Argentina de Investigacin Clnica |
| SAIC | Sociedad Argentina de Investigación Clínica |
| SAICE | Suid-Afrikaanse Instituut van Siviele Ingenieurswese |
| SAIGE | Society of American Indian Government Employees |
| SAIMM | South African Institute of Mining and Metallurgy |
| SAINTS | Senior Animals in Need Today Society |
| SAIOH | Southern African Institute for Occupational Hygiene |
| SAIS | Svenska AI-sällskapet |
| SAIS | Svenska AI-sllskapet |
| SAIS | Swedish Artificial Intelligence Society |
| SAISI | South African Institution of Civil Engineering |
| SAISI | Suid-Afrikaanse Instituut van Siviele Ingenieurswese |
| SAIT | Society For Auditory Intervention Techniques |