| MESA | Mining Enforcement and Safety Administration | 矿业法规执行和安全管理局 |
| MESA | Mechanics Educational Society of America | 美国力学教育学会 |
| MESA | Miniature Electrostatic Accelerometer | 微型静电加速计 |
| MESA | Mathematics Education Student Association | 数学教育学生协会 |
| MESA | Marshall Engineers and Scientists Association | 马歇尔工程师和科学家协会 |
| MESA | Management Education Services Associates | 管理教育服务协会 |
| MESA | Middle East Studies Association | 中东研究协会 |
| MESA | Manufacturing Execution Systems Association | 制造执行系统协会 |
| MESA | Mens' Educational Support Association | 男性的教育协会 |
| MESA | Math Engineering And Science Association | 数学工程与科学协会 |
| MESA | Medical Education Support Association | 医学教育支持协会 |
| MESA | Mechanical Engineering Students Association | 机械工程学生协会 |
| MESA | Mathematics Engineering Science Association | 数学工程科学协会 |
| MESA | Marriott Employee Staff Association | 万豪员工协会 |
| MESA | Marine Education Society of Australasia | 澳大利亚海洋教育协会 |
| MESA | Michigan Employment Security Agency | 密歇根州就业保障局 |
| MESA | Maintenance Engineering Society of Australia | 澳大利亚维护工程学会 |
| MESA | Modular Equipment Stowage Assembly (Apollo Program) | 模块化设备装载组件（阿波罗计划） |
| MESA | Maintenance Engineering Support Analysis | 保养工程支援分析 |
| MESA | Mathematics, Engineering, Science, Achievement | 数学、工程、科学、成就 |
| MESA | Mobile Enhanced Situational Awareness Network | 移动增强态势感知网络 |
| MESA | Microsystems Engineering Sciences Applications | 微系统工程科学应用 |
| MESA | Mobility for Emergency and Safety Applications | 应急和安全应用的移动性 |
| MESA | Methyl Salicylate | 水杨酸甲酯 |
| MESA | Multi-Ethnic Study of Atherosclerosis | 动脉粥样硬化的多民族研究 |
| MESA | Maximum Entropy Spectral Analysis | 最大熵谱分析 |
| MESA | Minimum Essential Support Analysis | 最低基本支持分析 |
| MESA | Math Engineering And Science Achievement | 数学工程与科学成就 |
| MESA | Mutual Education Support and Advocation | 相互教育支持和倡导 |
| MESA | Micro Epididymal Sperm Aspiration | 显微附睾精子抽吸 |
| MESA | Michigan Employment Security Act | 密歇根州就业保障法案 |
| MESA | Microscopic Epididymal Sperm Aspiration | 显微附睾精子抽吸 |
| MESA | Meta Email Search Agent | Meta电子邮件搜索代理 |
| MESA | Math, Engineering, and Science Acheivement | 数学、工程和科学成就 |
| MESA | Medical Equipment and Supplies Abroad | 国外医疗设备和用品 |
| MESA | Multinational Exchange for Sustainable Agriculture (Oakland, CA) | 可持续农业跨国交流（加利福尼亚州奥克兰） |
| MESA | Mesa Air Group, Inc. | 梅萨航空集团。 |
| MESA | MOLLE Enhanced South African assault vest | MOLLE增强型南非突击背心 |
| MESA | Modified Exclusive Shared Invalid (MESI states of cache memory) | 修改的独占共享无效（缓存内存的MESI状态） |
| MESA | Marconi Española, S. A. | Marconi Española, S. A. |
| MESA | Medical Epidemiology and Social Aspects of Aging (questionnaire) | 老龄化的医学流行病学和社会方面（问卷） |
| MESA | Medical Equipment Supplies Abroad | 国外医疗设备供应 |
| MESA | Missile Engagement Simulation Arena | 导弹交战模拟竞技场 |
| MESA | Micro-Surgical Epididymal Sperm Aspiration | 显微外科附睾精子抽吸术 |
| MESA | Modeling the Emergence of Shared Attention | 共同注意力的产生模型 |
| MESA | Meta Email Search Agent (meta search for email addresses) | Meta电子邮件搜索代理（电子邮件地址的Meta搜索） |
| MESA | Mutual Education Support And Advocacy | 相互教育支持和宣传 |
| MESA | Moving to End Sexual Assault | 结束性侵 |
| MESA | Mesa Equine Sanctuary and Adoption | 梅萨马保护区和收养 |
| MESA | Multi Ethnic Study Of Atherosclerosis | 动脉粥样硬化的多民族研究 |
| MESA | Microsystems and Engineering Sciences Applications | 微系统与工程科学应用 |
| MESA | Math, Engineering, and Science Achievment | 数学、工程和科学成就 |