| ATOM | Analysis Tools for Object Modification | 用于对象修改的分析工具 |
| ATOM | Ancient Teachings Of The Masters | 大师的古代教诲 |
| ATOM | August Twenty One Movement | 八月二十一运动 |
| ATOM | Accentuating Technical Opportunities For Minorities | 强调少数民族的技术机会 |
| ATOM | Automatic Telescope for Optical Monitoring | 光学监测用自动望远镜 |
| ATOM | Advanced Trauma Operative Management | 高级创伤手术管理 |
| ATOM | ATM Output-Buffer Modular (NEC) | ATM输出缓冲模块（NEC） |
| ATOM | Assistant Technical Operations Manager (BBC) | 技术运营经理助理（BBC） |
| ATOM | Aluminum Tree and Ornament Museum | 铝树和装饰博物馆 |
| ATOM | Advanced Tool for Option Modeling | 期权建模的高级工具 |
| ATOM | Active Teens of the Museum (Denver Museum of Nature and Science) | 博物馆的活跃青少年（丹佛自然与科学博物馆） |
| ATOM | Adventure Tours on Motorcycles | 摩托车探险之旅 |
| ATOM | Australian Teachers of Media | 澳大利亚媒体教师 |
| ATOM | Any Transport Over MPLS | MPLS上的任何传输 |
| ATOM | Automated Operation Manual | 自动操作手册 |
| ATOM | Atomic Burrito, Inc. (delisted) | Atomic Burrito，Inc.（摘牌） |