| Abbreviation | Definition |
|---|---|
| SMHCT | Sociedad Mexicana de Historia de la Ciencia y de la Tecnología |
| SMHS | Smoky Mountain Historical Society |
| SMI | Society for Mucosal Immunology |
| SMI | Society of Mucosal Immunology |
| SMIPI | Italian Medical Society for Psychotherapy and Hypnosis |
| SMIPI | Societ Medica Italiana di Psicoterapia e Ipnosi |
| SMIPI | Società Medica Italiana di Psicoterapia e Ipnosi |
| SMIS | Society for Management Information Systems |
| SMIT | Society for Minimally Invasive Therapy |
| SMLS | Sussex Mineral and Lapidary Society |
| SMM | Mexican Mathematical Society |
| SMM | Sociedad Matemtica Mexicana |
| SMMS | Mexican Society of Soil Mechanics |
| SMMS | Sociedad Mexicana de Mecánica de Suelos |
| SMMS | Sociedad Mexicana de Mecnica de Suelos |
| SMMT | Society of Motor Manufacturers and Traders |
| SMMT | Society of Motor Manufacturers Traders |
| SMN | Moroccan Society of Neurology |
| SMN | Société Marocaine de Neurologie |
| SMN | Socit Marocaine de Neurologie |