| ATRI | Alliance for Transportation Research Institute | 交通研究所联盟 |
| ATRI | Aquatic and Terrestrial Resources Inventory (Wisconsin) | 水生和陆地资源清单（威斯康星州） |
| ATRI | Advanced Technology and Research Institute (Japan) | 先进技术研究所（日本） |
| ATRI | Advanced Thermonomics Research Initiative | 先进热力学研究计划 |
| ATRI | Atrion Corporation | Atrion公司 |
| ATRI | AIDS Treatment and Research Information | 艾滋病治疗和研究信息 |
| ATRI | Aquatic Therapy and Rehabilitation Institute | 水产治疗和康复研究所 |