| BTD | Boston Transportation Department (Boston, MA, USA) | 波士顿交通部（美国马萨诸塞州波士顿） |
| BTD | Bortezomib, Thalidomide and Dexamethasone (chemotherapy) | 硼替佐米、沙利度胺和地塞米松（化疗） |
| BTD | Best Time of the Day | 一天中的最佳时间 |
| BTD | Branch on Time of Day | 每天的时间分支 |
| BTD | benzothiadiozine | 苯并噻二嗪 |
| BTD | Biotinidase (human gene) | 生物素酶（人类基因） |
| BTD | Brunette Downs, Northern Territory, Australia | 布鲁内特·唐斯，澳大利亚北领地 |
| BTD | Beg/Begging to Differ | 请求/乞讨了不同的结果 |
| BTD | Beat The Dow | 击败道琼斯指数 |
| BTD | Bistable Thermal Donor | 双稳态热施主 |
| BTD | Brothers Till Death (gaming clan) | 兄弟至死（游戏家族） |
| BTD | Basic Thermo-Dynamics | 基本热力学 |
| BTD | Better Through Design (BTD Manufacturing, Inc.) | Better Through Design（BTD制造公司） |
| BTD | Born to Drive | 天生会开车 |
| BTD | Born to Drink | 天生爱喝酒 |
| BTD | Battle Training Division (US Army) | 作战训练师（美国陆军） |
| BTD | Binary To Decimal | 二进制变换为十进制 |
| BTD | Better the Devil (record company) | 更好的魔鬼（唱片公司） |
| BTD | Building Trades Directory (website) | 建筑行业名录（网站） |
| BTD | Brightness Temperature Difference | 亮度温度差 |
| BTD | Brutal Torso Dissection (Australian metal band) | 残忍的躯干解剖（澳大利亚金属乐队） |
| BTD | Block-Type Decodable | 块类型可解码 |
| BTD | Bleed The Dream (band) | 为梦想放血（乐队） |
| BTD | Bilateral Trade Database | 双边贸易数据库 |
| BTD | Buy The Dip (stocks) | 买入The Dip（股票） |
| BTD | Bored To Death | 无聊到死 |
| BTD | Beaulieu-Tan-Damen (pulse shape) | Beaulieu Tan Damen（脉冲形状） |
| BTD | Brigade Tactical Department (US Military Academy) | 旅战术部（美国军事学院） |
| BTD | Business Travel Department | 商务旅行部 |
| BTD | Bit Transmission Delay | 比特传输延迟 |
| BTD | Born to Die | 难逃一死 |
| BTD | Bear Trap Dunes (Ocean View, Delaware, USA) | 熊陷阱沙丘（美国特拉华州海景） |
| BTD | Biological Therapies in Dentistry (journal) | 牙科生物疗法（期刊） |
| BTD | Business Technical Division (USACE) | 商业技术部（USACE） |
| BTD | Biomechanics Test Database (US National Highway Traffic Safety Administration) | 生物力学测试数据库（美国国家公路交通安全管理局） |
| BTD | Barney the Dinosaur (TV character) | 恐龙巴尼（电视角色） |