| Acronym | Definition |
|---|
| SSMP | Sewer System Management Plan |
| SSMP | Stockpile Stewardship and Management Program (US nuclear stockpile) |
| SSMP | Social Services Master Plan |
| SSMP | Site Safety Management Plan (Australia) |
| SSMP | System Safety Management Plan |
| SSMP | Startup, Shutdown, Malfunction Plan |
| SSMP | Support to the Safe Motherhood Programme (Nepal) |
| SSMP | Spy Sappin My Patience (Team Fortress 2 gaming comunity) |
| SSMP | Spy Sappin' My Patience (gaming) |
| SSMP | Supply Support Management Plan |
| SSMP | System Security Management Program |
| SSMP | Sample Survey Military Personnel |
| SSMP | Semisolid Materials Processing laboratory |
| SSMP | Supplemented with Skim Milk Powder |
| SSMP | Single Stamp Multi Part |
