| Acronym | Definition |
|---|
| MASP | Museu de Arte de São Paulo (Portuguese: São Paulo Art Museum; São Paulo, Brazil) |
| MASP | Mannan-Binding Lectin Serine Protease |
| MASP | Mid Atlantic Star Party (astronomical event) |
| MASP | Military Academic Skills Program |
| MASP | Michigan Association of School Psychologists |
| MASP | Multiangle Aerosol Spectrometer Probe |
| MASP | Movement for the Advancement of Student Power (Philippines) |
| MASP | Missouri Association of School Psychologists |
| MASP | Mississippi Automated System Project |
| MASP | Montana Association of School Psychologists |
| MASP | Maine Association of School Psychology |
| MASP | Mothers Against Sexual Predators |
| MASP | Mesure Administrative d'Accompagnement Social Personnalisé (French: Socially Supported Administrative Measure) |
| MASP | Moon and Stars Project (Turkey) |
| MASP | Managed Applications Service Provider (telecommunications) |
| MASP | Management Advisory Services and Publications |
| MASP | Munitions Activities Standardization Program (US DoD) |
| MASP | Maintenance Assistance Support Program |
| MASP | Maintenance and Administration Subsystem Processor |
| MASP | Mutual Aid Sharing Plan (Lancaster, Pennsylvania Mennonite church) |
| MASP | Superintendent, Military Academy |
| MASP | Master of Applied Social Psychology (degree) |
| MASP | Maximum Allowable Surface Pressure (oil engineering) |
| MASP | Maintenance and Spare Parts (software) |
| MASP | Multi-Access Service Platform |