| Acronym | Definition |
|---|
| SMIS | Strategic Management Information System |
| SMIS | Storage Management Initiative Specification |
| SMIS | St. Mary's International School (Japan) |
| SMIS | Storage Management Interface Specification |
| SMIS | Security Management Information System |
| SMIS | Saint Maur International School (Japan) |
| SMIS | Space Monitoring Information Support |
| SMIS | Society for Management Information Systems |
| SMIS | Surveillance and Motorist Information System |
| SMIS | Standards & Metrology Institute of Slovenia |
| SMIS | Service Médical Interentreprises du Saumurois (French: Medical Service Interentreprises of Saumur; France) |
| SMIS | Single-Turn Multi-Layer Interlaced Stacked (transformers) |
| SMIS | Standardized Mixture of Internal Standards (Gene Express, Inc) |
| SMIS | Safeguard Management Information System |
| SMIS | Space Mapping Interpolating Surrogate |
| SMIS | Ships Management Information System |
| SMIS | Sisters of Mary Immaculate School |
| SMIS | Symmetrized Microcell Interpolation Scheme |
| SMIS | Société Mécanique Industrie Systèmes (French: Mechanical Systems Industry Company) |