| Acronym | Definition |
|---|
| RMSP➣Região Metropolitana de São Paulo (Portuguese: São Paulo Metropolitan Region; Brazil) |
| RMSP➣Rocky Mountain School of Photography (Missoula, MT) |
| RMSP➣Republican Main Street Partnership (Washington, DC) |
| RMSP➣Royal Mail Steam Packet (ship) |
| RMSP➣Roan Mountain State Park (Tennessee) |
| RMSP➣Robert Moses State Park (Long Island, New York) |
| RMSP➣Retiree Medical Savings Plan (Midwest Operating Engineers Retiree Welfare Plan) |
| RMSP➣Rural Medical Scholars Program (University of Alabama) |
| RMSP➣Risk Management Service Provider |
| RMSP➣Resources & Mission Sponsor Plan |
| RMSP➣Relative Market Share Position |