| GTTS | Drops per minute (medical) | 每分钟滴数（医疗） |
| GTTS | Got The T-Shirt | 获得T恤 |
| GTTS | Drops per minute | 每分钟滴数 |
| GTTS | Global Telematic Transport System | 全球远程通信传输系统 |
| GTTS | Grants Treasury Tape System | 授予财政部磁带系统 |
| GTTS | Grupo de Trabajo en TecnologÍas del Software (Software Technologies Working Group) | Grupo de Trabajo en TecnologÍas del Software (Software Technologies Working Group) |
| GTTS | Go To Traffic School (online driving school) | 去交通学校（在线驾驶学校） |
| GTTS | Gyro Transfer Table System | 陀螺转台系统 |