| ERTA | Edmonton Retired Teachers Association (Canada) | 埃德蒙顿退休教师协会（加拿大） |
| ERTA | Emergency Response Training Associates | 应急响应培训协会 |
| ERTA | Emergency Response Training Association | 应急响应培训协会 |
| ERTA | Eastern Rural Telephone Association | 东部农村电话协会 |
| ERTA | European Recorder Teachers Association (UK) | 欧洲录音教师协会（英国） |
| ERTA | East Ramapo Teachers Association (New York) | 东拉马波教师协会（纽约） |
| ERTA | Earth Riders Trails Association | 地球骑手协会 |
| ERTA | Eastern Region Training Associates | 东部地区培训协会 |
| ERTA | Evansville Retired Teachers Association (Evansville, Indiana) | 埃文斯维尔退休教师协会（印第安纳州埃文斯维尔） |
| ERTA | Earth Riders Trail Association | 地球骑手协会 |
| ERTA | Ethiopian Radio and Television Agency | 埃塞俄比亚广播电视局 |
| ERTA | Economic Recovery Tax Act of 1981 | 1981年经济恢复税法 |
| ERTA | Environmental Restoration Technical Assistance | 环境恢复技术援助 |
| ERTA | Education Research and Training Authority (Florida) | 教育研究和培训局（佛罗里达州） |
| ERTA | Economic Recovery Tax Act (of 1981) | 《经济复苏税法》（1981年） |
| ERTA | Energy Resources and Technologies Analysis | 能源资源与技术分析 |
| ERTA | Emergency Relief Tracking Application | 紧急救援跟踪应用程序 |
| ERTA | Emergency Response Team Advance | 应急响应小组推进 |