| DEX | Dexterity | 敏捷度 |
| DEX | Dendenkosha Electronic Exchange | 电信电话公司电子交换器 |
| DEX | Digital Exploration Society | 数字探索协会 |
| DEX | Decrement Index Register (programming) | 递减索引寄存器(编程) |
| DEX | Deaf Ex-Mainstreamers Group Ltd (UK) | Deaf Ex Mainstreamers Group Ltd(英国) |
| DEX | Delta Epsilon Chi | Delta Epsilon Chi公司 |
| DEX | Distributed Execution | 分布式执行 |
| DEX | Dexter Corporation | 德克斯特公司 |
| DEX | Detector Exploration Ltd (stock symbol) | Detector Exploration Ltd(股票代码) |
| DEX | Developing Excellence (EU) | 发展卓越(欧盟) |
| DEX | Deconvolution of Exchange (Data) | 交换(数据)的反卷积 |
| DEX | Dungeon Eternal X (gaming) | 地下城永恒X(游戏) |
| DEX | Dictionary Expansion Library | 字典扩展库 |
| DEX | Direct Exchange (data communications) | 直接交换(数据通信) |
| DEX | Data Exchange Corporation (Camarillo, California) | 数据交换公司(加利福尼亚州卡马里洛) |