| Acronym | Definition |
|---|
| IMSP➣Independent Manufacturer Support Program |
| IMSP➣Internet Message Support Protocol |
| IMSP➣Institut de Médecine Sociale et Préventive (French: Institute of Social and Preventive Medicine; Switzerland) |
| IMSP➣Interactive Mail Support Protocol |
| IMSP➣Inventory Management and Stock Positioning (US DoD) |
| IMSP➣Institute on Money in State Politics |
| IMSP➣Insensitive Munitions Strategic Plan |
| IMSP➣International Medical Society of Paraplegia |
| IMSP➣Interim Maintenance & Support Plan |