| COTS | Connection Oriented Transfer Service | 面向连接的传送业务 |
| COTS | Chapter Operations Training Seminar | 第章运营培训研讨会 |
| COTS | Container Offloading & Transfer System | 集装箱卸载及输送系统 |
| COTS | Consideration of Others Training Seminar | 考虑其他培训研讨会 |
| COTS | Center Outlook Tactical and Strategic | 中心展望战术和战略 |
| COTS | Council on Technology Services | 技术服务委员会 |
| COTS | Coalition on Temporary Shelter (Detroit, Michigan) | 临时避难所联盟（密歇根州底特律） |
| COTS | Church on the Street (religious program) | 街头教堂（宗教节目） |
| COTS | Commercial Off The Shelf | 商用现货 |
| COTS | Committee On The Shelterless | 无庇护所委员会 |
| COTS | Coalition On Temporary Shelter | 临时住所联盟 |
| COTS | Cheap Off the Shelf | 廉价现货 |
| COTS | Component Of The Shelf | 机框组件 |
| COTS | Committee On Temporary Shelter | 临时住所委员会 |
| COTS | Commercial Orbital Transportation Services (NASA commercial program to develop a vehicle that can reach low earth orbit) | 商业轨道运输服务（NASA开发可到达近地轨道的飞行器的商业计划） |
| COTS | Cash On The Spot | 现场现金 |
| COTS | Chapter Officer Training School | 警官培训学校 |
| COTS | Children of the Sun (song) | 太阳之子（歌曲） |
| COTS | cargo offload and transfer system (US DoD) | 货物卸载和转运系统（美国国防部） |
| COTS | Connection Oriented Transport Service | 面向连接的传输服务 |
| COTS | Commercial Off-The-Shelf (products) | 商用现货（产品） |
| COTS | Chapter Officer Training School (SPEBSQSA) | 警官培训学校（SPEBSQSA） |
| COTS | Crest of the Stars (anime) | 《星星的纹章》（动漫） |
| COTS | Commercial Off The Self | 独立商业广告 |
| COTS | Committee On Technical Security | 技术安全委员会 |
| COTS | Consistent Operational Travel Standards | 一致的运营差旅标准 |
| COTS | Cleaned, Oiled, Tested and Stenciled (railroad air brakes) | 清洁、涂油、测试和密封（铁路空气制动器） |
| COTS | Component Off the Shelf (software development) | 现成组件（软件开发） |
| COTS | Center Operations and Technical Support | 中心运营和技术支持 |
| COTS | Central Ohio Trauma System | 俄亥俄州中部创伤系统 |
| COTS | Childlessness Overcome Through Surrogacy | 通过代孕克服无子女 |
| COTS | Common-Off-The-Shelf | 通用现货 |
| COTS | Call Of The Simpsons | 《辛普森一家的呼唤》 |