| ATD | Asynchronous Time Division | 异步时分 |
| ATD | Assembly Technology Development | 装配技术发展 |
| ATD | actual time of departure | 实际出发时间 |
| ATD | Automatic Tape Degausser | 磁带自动去磁器 |
| ATD | Association of Telecommunications Dealers | 电信经销商协会 |
| ATD | alzheimer-type dementia | 阿尔茨海默型痴呆 |
| ATD | Automatic Take Down | 自动取下 |
| ATD | Aide a Toute Detresse | 帮助一个Toute Detresse |
| ATD | Apricot Trading And Distribution | 杏子交易和分销 |
| ATD | Automated Trading Desk | 自动交易台 |
| ATD | A Terrific Department | 一个可怕的部门 |
| ATD | Advanced Trial Dog | 高级试用狗 |
| ATD | Applied Thermo-Dynamics | 应用热力学 |
| ATD | asphyxiating thoracic dystrophy | 窒息性胸廓营养不良 |
| ATD | antithyroid drug | 抗甲状腺药物 |
| ATD | ascending tract of deiters | 德累斯上升道 |
| ATD | Attention to Detail | 注意细节 |
| ATD | Antitheft Device | 防盗装置 |
| ATD | Automatic Tone Detector (Sprint) | 自动音调检测器(Sprint) |
| ATD | Audio Tone Detector | 音频音调检测器 |
| ATD | Adaptive Threshold Detector | 自适应阈值检测器 |
| ATD | Auto Trim Design (Fairbanks, AK) | 自动微调设计(费尔班克斯,AK) |
| ATD | Available to Deploy | 可用于部署 |
| ATD | Automatic Target Detection | 自动目标检测 |
| ATD | Automatic Target Designation | 自动目标指定 |
| ATD | Anti-Tank Ditch | 反水箱沟渠 |
| ATD | Aircrew Training Device | 机组人员训练设备 |
| ATD | Aided Target Detection | 辅助目标检测 |
| ATD | Authorized Terminal Distributor | 授权终端经销商 |
| ATD | Asset Transfer Date | 资产转移日期 |
| ATD | AUTOVON Tandem Digital | AUTOVON串联数字 |
| ATD | Air and Toxics Division | 空气和毒物科 |
| ATD | Assistant Technical Director | 助理技术总监 |
| ATD | Achieving the Dream | 实现梦想 |
| ATD | Alliance Tchadienne pour la DÉmocratie et le DÉveloppement (Chadian Alliance for Democracy and Development, Ch | Alliance Tchadienne pour la DÉmocratie et le DÉveloppement (Chadian Alliance for Democracy and Development, Ch |
| ATD | Actuals To Date | 迄今实际值 |
| ATD | Against the Day (Glasgow band) | 逆天(格拉斯哥乐队) |
| ATD | Assistant Train Dispatcher (NYC Transit Authority) | 助理列车调度员(纽约市交通局) |
| ATD | Air Technician Detachment | 航空技师支队 |
| ATD | Along Track Distance (aviation) | 沿轨道距离(航空) |
| ATD | Automated Thermal Desorber (gas chromatography analysis column type) | 自动热解吸塔(气相色谱分析柱型) |
| ATD | Applied Technology Division | 应用技术部 |
| ATD | Amused to Death (Roger Waters album) | 《欢乐至死》(罗杰·沃特斯专辑) |
| ATD | Address Transition Detection (circuit in asynchronous memory) | 地址转换检测(异步存储器中的电路) |
| ATD | Acquired Toilet Disease (fictitious disease) | 后天性厕所疾病(虚构疾病) |
| ATD | Anti Theft Discount (insurance) | 防盗折扣(保险) |
| ATD | Active Threat Defense (Cisco) | 主动威胁防御(Cisco) |
| ATD | Adjustable Time Delay | 可调延时 |
| ATD | All Terrain Drilling Pty Ltd (Australia) | 全地形钻探私人有限公司(澳大利亚) |
| ATD | Apprenticeship and Training Division | 学徒和培训部 |
| ATD | Amphibische Technische Dienst (Dutch) | Amphibische Technische Dienst(荷兰语) |
| ATD | Astronaut Translation Device | 宇航员翻译设备 |
| ATD | ATM Test Development | ATM测试开发 |
| ATD | Assignment and Transmittal Document (SAIC stock) | 转让和传递文件(SAIC库存) |
| ATD | Abrams Travel Data Services | 艾布拉姆斯旅游数据服务 |
| ATD | Automated Tactical Data Link | 自动化战术数据链路 |
| ATD | Automatic Tube Dispenser | 自动管分配器 |
| ATD | Advanced Technologies Demonstration (ARPA/Bell Atlantic) | 先进的科技示范(ARPA /贝尔大西洋) |
| ATD | Advanced Technology Development | 先进技术开发 |
| ATD | Aerospace Technology Division (Library of Congress; formerly Aerospace Information Division) | 航空航天技术部(美国国会图书馆;原航空航天信息部) |
| ATD | Acceptance and Takeover Date | 验收和收购日期 |
| ATD | Anthropomorphic Test Dummy | 拟人试验假人 |
| ATD | Associação Terras Dentro | Associação Terras Dentro |
| ATD | Atmospheric Technology Division (US National Center for Atmospheric Research) | 大气技术部(美国国家大气研究中心) |
| ATD | Automated Training Device | 自动训练设备 |
| ATD | Aid to the Totally Disabled | 全残废补助 |
| ATD | Advanced Technology Demonstration | 先进技术演示 |
| ATD | Aviation Test Directorate | 航空测试局 |
| ATD | Anthropomorphic Test Device | 拟人测试装置 |
| ATD | Attitude Determination | 态度决定 |
| ATD | Arrival Time Difference | 到达时间差 |