| ATTI | Advanced Transportation Technology Institute | 先进交通技术研究所 |
| ATTI | Attitude | 态度 |
| ATTI | Acoustic Test Target Insertion | 声学测试目标插入 |
| ATTI | Advanced Technology Transfer and Infusion (JPL) | 先进技术转让和输注（JPL） |
| ATTI | American Telephone and Telegraph Interchange | 美国电话电报交换局 |
| ATTI | Alaska Transition Training Initiative | 阿拉斯加过渡训练倡议 |