| ATLA | American Theological Library Association | 美国神学图书馆协会 |
| ATLA | American Trial Lawyers Association | 美国审判律师协会 |
| ATLA | Association of Teachers of Lipreading to Adults | 成人唇读教师协会 |
| ATLA | Association of Trial Lawyers of America | 美国审判律师协会 |
| ATLA | Another Three-Letter Acronym | 另一个三字母缩写 |
| ATLA | adult t-cell leukemia antigen | 成人t细胞白血病抗原 |
| ATLA | Army Top Level Architecture | 陆军顶级体系结构 |
| ATLA | adult t-cell leukemia associated antigen | 成人t细胞白血病相关抗原 |
| ATLA | Adultsassociation Of Teachers Of Lipreading To Adults | 成人与成人唇读教师的交往 |
| ATLA | Air Transport Licensing Authority (Hong Kong) | 航空运输牌照管理局(中国香港) |
| ATLA | Avatar: The Last Airbender (TV show) | 阿凡达:最后的空气杀手(电视剧) |
| ATLA | Adult T-Cell Leukemia Virus-Associated Antibody | 成人T细胞白血病病毒相关抗体 |
| ATLA | adipose tissue lipoprotein lipase activity | 脂肪组织脂蛋白脂酶活性 |