| AITR | Associazione Italiana Tecnici di Ripresa | Ripresa意大利技术协会 |
| AITR | l'Associazione Italiana Turismo Responsabile | 李'Associazione Italiana Responsabile旅游 |
| AITR | Activation- Inducible TNFR family member | 激活-可诱导TNFR家族成员 |
| AITR | Arabian International Tire Retreaders | 阿拉伯国际轮胎翻新商 |
| AITR | Agency Information Technology Resource | 机构信息技术资源 |
| AITR | Autism Intervention and Treatment Research | 孤独症干预和治疗研究 |
| AITR | Aided Target Recognition | 辅助目标识别 |
| AITR | Army Information Technology Registry | 陆军信息技术登记处 |
| AITR | Artificial Intelligence Laboratory Technical Report | 人工智能实验室技术报告 |
| AITR | All Islands Timeshare Resales | 所有岛屿分时度假转售 |