| MAST | National Science Foundation Center for Membrane Applied Science and Technology | 膜应用科学与技术研究中心 |
| MAST | Mediterranean Association of Sustainable Tourism | 地中海可持续旅游协会 |
| MAST | Massachusetts Association of Science Teachers | 马萨诸塞州科学教师协会 |
| MAST | Management and Supervisory Training (program) | 管理和监督培训（计划） |
| MAST | Marine Atmosphere Science and Technology | 海洋大气科学与技术 |
| MAST | Multimission Archive At STSCI | STSCI多任务档案 |
| MAST | Media Arts, Science, and Technology | 媒体艺术、科学和技术 |
| MAST | Modeling And Simulation Team | 建模和仿真团队 |
| MAST | Major Airframe Static Test | 主要机身静态试验 |
| MAST | Military Assistance to Safety & Traffic (US Army MEDEVAC civilian assistance) | 军事援助,美国陆军的安全及交通(平民)协助架次的霉菌救护 |
| MAST | Maximum Allowable Stem Torque (ball valves) | 最大允许阀杆扭矩（球阀） |
| MAST | Meteorological Automated Sensors and Transceiver | 气象自动传感器和收发器 |
| MAST | Marine Science and Technology | 海洋科学与技术 |
| MAST | Michigan Alcoholism Screening Test | 密歇根州酒精中毒筛查测试 |
| MAST | Membrane Applied Science and Technology Center (University of Colorado at Boulder and University of Cincinnati) | 膜应用科学技术中心（科罗拉多大学博尔德分校和辛辛那提大学） |
| MAST | Mobile Army Surgical Team | 机动陆军外科团队 |
| MAST | Marine Academy of Science and Technology | 海洋科学技术学院 |
| MAST | Medical Anti Shock Trousers | 医用防震裤 |
| MAST | Military Anti-Shock Trousers | 军用防震裤 |
| MAST | Magnetic Annular Shock Tube | 磁性环形激波管 |
| MAST | Multi-Agency Support Team (UK) | 多机构支持团队（英国） |
| MAST | Maritime Analysis Support Team (US Coast Guard) | 海事分析支持小组（美国海岸警卫队） |
| MAST | Mandatory Alcohol Server Training (Washington state Liquor Control Board) | 强制性酒精服务员培训（华盛顿州酒类控制委员会） |
| MAST | medical antishock trousers | 医用防震裤 |
| MAST | mitochondrial aspartate aminotransferase | 线粒体天冬氨酸转氨酶 |
| MAST | military antishock trousers | 军用防震裤 |
| MAST | Multimission Archive at Space Telescope | 太空望远镜多任务档案 |
| MAST | Mobile Ashore Support Terminal | 移动Ashore支持终端 |
| MAST | Maritime and Science Technology High School | 海事与科技高中 |
| MAST | Multicultural Assessment And Services Team | 多元文化评估和服务团队 |
| MAST | MICAP Automated Status Tracking | MICAP自动状态跟踪 |
| MAST | Maritime Academy Of Science And Technology | 海事科学技术学院 |
| MAST | Maximum Aircrew Stress Tolerance | 机组人员最大应力公差 |
| MAST | Mutual Aid Support Team | 互助支持小组 |
| MAST | Medical Application Shock Trousers | 医用减震裤 |
| MAST | Multi-Int Analysis Software Toolset | Multi-Int分析软件工具集 |
| MAST | Metropolitan Ambulance Services Trust | 大都会救护车服务信托 |
| MAST | Motif Alignment and Search Tool | Motif对齐和搜索工具 |
| MAST | Missile Automatic Supply Technique | 导弹自动补给技术 |
| MAST | Mobile Acoustic Spatial Target | 移动声学空间目标 |
| MAST | Manitoba Association of School Trustees | 马尼托巴省学校董事会 |
| MAST | Marine and Science Technology | 海洋与科学技术 |
| MAST | MILSTAR Advanced Satellite Terminal | MILSTAR高级卫星终端 |
| MAST | Medical Augmentation Support Team | 医疗增强支持团队 |
| MAST | Medical Anti-Shock Trousers | 医用防震裤 |
| MAST | Maintenance Standardisation Teams (Europe) | 维护标准化团队（欧洲） |
| MAST | Maritime Archeology Survey Techniques | 海上考古调查技术 |
| MAST | Metro All-Star Scratch Tour | 地铁全明星刮刮之旅 |
| MAST | Maryland Advanced Speakers Toastmasters | 马里兰高级演讲演讲会 |
| MAST | Multi-Application Sonar Trainer | 多种应用声呐训练器 |
| MAST | Monopulse Anti-Sidelobe Technique | 单脉冲抗旁瓣技术 |
| MAST | Microcomputer Authoring System Trainer | 微机编写系统培训器 |
| MAST | Mission Avionics Systems Trainer | 任务航空电子系统培训师 |
| MAST | Maintenance Standardization Team | 维护标准化团队 |
| MAST | Madison Area Scratch Tour | 麦迪逊地区划痕之旅 |