| MSSP | Medicare Stop Smoking Program | 医疗保险戒烟计划 |
| MSSP | Medical Staff Services Professional (healthcare industry) | 医务人员服务专业人员（医疗保健行业） |
| MSSP | Market Segment Reports (IRS) | 市场细分报告（IRS） |
| MSSP | Managed Security Service Provider | 托管安全服务提供商 |
| MSSP | Management System Support Project | 管理系统支持项目 |
| MSSP | Management System Steering Panel | 管理系统控制面板 |
| MSSP | Modified Spatial Smoothing Preprocessing | 改进的空间平滑预处理 |
| MSSP | Modeling & Simulation Support Plan | 建模和仿真支持计划 |
| MSSP | Mobile Service Switching Point (ProQuent Systems) | 移动业务交换点（ProQuent Systems） |
| MSSP | Market Segment Specialization Program | 市场细分专业化计划 |
| MSSP | Multiprocessor Similarity Stack Protocol | 多处理器相似性堆栈协议 |
| MSSP | Manpower Scheduling and Staffing Program | 人力安排和人员配置计划 |
| MSSP | Multi-Service Switching Platform | 多业务交换平台 |
| MSSP | Multi-Sensor Stabilized Payload | 多传感器稳定有效载荷 |
| MSSP | Missionary Society of Saint Paul | 圣保罗传教会 |
| MSSP | Multi-purpose Senior Services Program | 多用途高级服务计划 |
| MSSP | Modified Successive Shortest Path | 修改的连续最短路径 |
| MSSP | Modeling & Simulation Strategic Plan | 建模与仿真的战略计划 |
| MSSP | Multi-Senior Services Program | 多高级服务计划 |