SSIM
| Acronym | Definition |
|---|---|
| SSIM | Symantec Security Information Manager (software) |
| SSIM | Symantec Security Information Manager |
| SSIM | Server Side Image Map |
| SSIM | Standard Schedules Information Manual (IATA) |
| SSIM | Sandy Springs Internal Medicine (est. 1954; Atlanta, GA) |
| SSIM | Service de Sécurité Incendie de Montréal (Montreal's Fire Prevention Service) |
| SSIM | Structural Similarity Index |
| SSIM | Spacecraft Simulator (NASA) |
| SSIM | South Sudan Independent Movement |
| SSIM | Statistical, Sampling Inventory Method |
| SSIM | Secret Sauce Intake Manifold |