| Acronym | Definition |
|---|
| SMSP➣Switching Mode Power Supply |
| SMSP➣Social Media Security Professional (certification) |
| SMSP➣System Manager and Super Process |
| SMSP➣Storage Management Services Protocol |
| SMSP➣Société Minière du Sud Pacifique SA (French: South Pacific Mining Company; New Caledonia) |
| SMSP➣Sony Music Special Products |
| SMSP➣Single Member Simple Plurality (electoral system) |
| SMSP➣Soil Moisture Strength Prediction (model) |
| SMSP➣Small and Mid Market Solutions and Partners (Microsoft) |
| SMSP➣St Mary's & St Peter's (UK school) |
| SMSP➣System Manager Show Processes (ASAS-AS) |
| SMSP➣Shuttle-Mir Science Project |
| SMSP➣Stock Market Share Price |
| SMSP➣Stadulis Motor Sports Products |
| SMSP➣St. Mary Student Parish (Ann Arbor, MI) |