| TETRA | Terrestrial Trunked Radio | 地面集群无线电 |
| TETRA | Texas Equestrian Trail Riders Association | 德克萨斯州马术越野骑手协会 |
| TETRA | Tetracaine Hydrochloride | 盐酸丁卡因 |
| TETRA | Telemedicine And Educational Technology Resources Agency | 远程医疗和教育技术资源局 |
| TETRA | Trans European Trunked Radio | 跨欧洲集群无线电 |
| TETRA | Trans European Trunked Radio Access | 跨欧洲集群无线电接入 |