| MESP | Michigan Education Savings Plan | 密歇根州教育储蓄计划 |
| MESP | Minimum Ethanol Selling Price | 乙醇最低售价 |
| MESP | Matrimonial Early Settlement Panel | 婚姻早期解决小组 |
| MESP | Mobile Entertainment Service Provider | 移动娱乐服务提供商 |
| MESP | Molecular Electro-Static Potential (usually seen as MEP) | 分子静电势（通常称为MEP） |
| MESP | Mesoderm Posterior | 中胚层后部 |
| MESP | MinistÉrio da Educação e SaÚde PÚblica (Brasil) | MinistÉrio da Educação e SaÚde PÚblica (Brasil) |
| MESP | Mental Emotional State or Process | 心理情绪状态或过程 |
| MESP | Marion Essential Support Personnel (Florida, USA) | 马里恩基本支持人员（美国佛罗里达州） |