| DDD | Dynamic Digital Depth Inc. | 动态数字境深公司 |
| DDD | Digital Dictionary Directory | 数字字典目录 |
| DDD | Defined daily dose | 规定的每日剂量 |
| DDD | Digital Data Demodulator | 数字数据解调器 |
| DDD | Direct Distance Dialing | 长途直拨 |
| DDD | Den Danske Dyrlaegeforening ( Danish Veterinary Association) | 丹麦兽医协会 |
| DDD | Dynamic Distributed Data | 动态分布式数据 |
| DDD | Dragon Dice And Dungeons | 龙骰子和地下城 |
| DDD | Dream it, Dare it, Do it | 梦想吧，大胆吧，做吧 |
| DDD | Display Decoder Drive | 显示解码器驱动器 |
| DDD | Double Decker Disaster | 双层灾难 |
| DDD | Dat, Dicat, Dedicat (Latin: Gives, Devotes and Dedicates) | Dat、Dicat、Dedicate（拉丁语：赠与、奉献和奉献） |
| DDD | Digital Diagnostic Diskette | 数字诊断磁盘 |
| DDD | Data Display Debugger | 数据显示调试器 |
| DDD | Dooms Day Device (comics) | 末日装置（漫画） |
| DDD | Dot Density Display | 点密度显示 |
| DDD | Destination, Deliberation, Determination (Harry Potter and the Half-Blood Prince) | 目的地、深思熟虑、决心（哈利·波特与混血王子） |
| DDD | Degenerative Disc Disease | 退行性椎间盘疾病 |
| DDD | Dichlorodiphenyldichloroethane | 二氯二苯基二氯乙烷 |
| DDD | Dudley Death Drop (pro wrestling) | Dudley Death Drop（职业摔跤） |
| DDD | Discipline Determination Dedication | 专业确定奉献精神 |
| DDD | Don't Do Drugs | 不要吸毒 |
| DDD | Desired Delivery Date | 期望交货日期 |
| DDD | Digital/Digital/Digital (audio CD format, recording/mixing/mastering) | 数字/数字/数字(音频CD唱片/混音格式,掌握) |
| DDD | Defense Distribution Depot | 国防配送仓库 |
| DDD | Domain Driven Design | 领域驱动设计 |
| DDD | Dynamic Dummy Director | 动态虚拟控制器 |
| DDD | Documentation Diagnosis And Design | 文档诊断和设计 |
| DDD | Dare Devil Dive (amusement park ride) | 大胆魔鬼潜水（游乐园） |
| DDD | Dot Dot Dot | 点-点-点 |
| DDD | Dangerous, Dirty, and Dull (robotics; tasks often given to robots) | 危险、肮脏和沉闷（机器人；通常交给机器人的任务） |
| DDD | Detailed Design Document | 详细设计文件 |
| DDD | Double Diffused Drain | 双扩散排水管 |
| DDD | Dance Dance Defenestration | 舞蹈防御 |
| DDD | Debility Dread And Death | 辩论恐惧与死亡 |
| DDD | Drug Discovery and Development | 药物发现与开发 |
| DDD | Death, Doom, and Destruction | 死亡、厄运和毁灭 |
| DDD | Digital Design Derivation | 数字设计衍生 |
| DDD | Deactivation, Decontamination, Decomissioning | 停用、净化、停用 |
| DDD | Doomy Doomy Darkness | 毁灭的毁灭的黑暗 |
| DDD | Defensive Driving Discount | 防御性驾驶折扣 |
| DDD | Duckworths Dargle Delight | 达克沃斯达尔乐 |
| DDD | Determinant Decision Diagram | 决定性决策图 |
| DDD | Distributed Dynamic Decisionmaking | 分布式动态决策 |
| DDD | Drop Dead Date | 放置截止日期 |
| DDD | Chequemate International, Inc. | Chequemate国际公司。 |
| DDD | Delivery Due Date | 交货截止日期 |
| DDD | Desired Due Date | 预期到期日期 |
| DDD | Dono Dedit Dedicavit (Latin: Gave and Dedicated as a Gift) | Dono Dedit Dedicavit（拉丁语：赠送和奉献） |
| DDD | Mayday Relay (logging abbreviation) | Mayday Relay（日志缩写） |
| DDD | Digital Dummy Director | 数字虚拟控制器 |
| DDD | Drug Distribution Data | 药物分布数据 |
| DDD | Discagem Direta À Distância (Brazilian Portuguese; direct long distance dialing) | Discagem Direta À Distância (Brazilian Portuguese; direct long distance dialing) |
| DDD | Drug, Disease, and Drama Free | 药物、疾病和戏剧自由 |
| DDD | Data Display Debugger (GNU Project) | 数据显示调试器（GNU项目） |
| DDD | Direct Document Denotation | 直接文档表示 |
| DDD | Detection Discrimination Designation | 检测鉴别标识 |
| DDD | Don't Drink and Drive | 不要酒后开车 |
| DDD | Division Of Developmental Disability | 发育障碍处 |
| DDD | Detroit Donut Destroyer | 底特律甜甜圈驱逐舰 |
| DDD | Death Dung And Decay | 死亡沙丘和腐烂 |
| DDD | Deputy District Director | 副区长 |
| DDD | Diamond Death Drop (pro wrestling move) | 钻石死亡跌落（职业摔跤动作） |
| DDD | Delta Delta Delta Sorority | 三角洲三角洲联谊会 |
| DDD | Distributed Deadlock Detection | 分布式死锁检测 |
| DDD | Direction-Delay Doppler | 方向延迟多普勒 |
| DDD | Disease Drama Drug Free (online dating) | 疾病剧《药物免费》（在线约会） |
| DDD | Detail Data Display (F-14 display console) | 详细数据显示（F-14显示控制台） |
| DDD | dihydroxydinaphthyl disulfide | 二羟基二萘二硫 |
| DDD | dichloro-diphenyl-dichloroethane | 二氯二苯二氯乙烷 |
| DDD | 2,2'-dihydroxy-6,6'-dinaphthyl disulfide | 2,2'-双羟基-6,6'-双萘基二硫化物 |
| DDD | dense deposit disease | 密集沉积病 |
| DDD | 2,4'-dichlorodiphenyldichloroethane | 2,4'-二氯二苯二氯乙烷 |
| DDD | denver's dialysis disease | 丹佛(氏)透析病 |
| DDD | Direct Distance Dial | 直接距离拨号 |
| DDD | Design Definition Document (NASA) | 设计定义文件（NASA） |
| DDD | Don's Door Data | 没有门的数据 |
| DDD | Definitely Done Deal | 绝对成交 |
| DDD | Dynamic Digital Depth | 动态数字深度 |
| DDD | Delhi DareDevils | 德里DareDevils |
| DDD | Determination/Decision Document | 决心/决定文件 |
| DDD | Doocs Data Display | Doocs数据显示 |
| DDD | Duckworth's Dargle Delight | 关于Dargle的喜悦 |
| DDD | Delivery Deadline Date | 交付截止日期 |
| DDD | Design Develop Deploy | 设计开发部署 |
| DDD | DSN Data Delivery | DSN数据传递 |
| DDD | Department of Departments Department | 部门的部门 |
| DDD | Dynamic Data Debugger | 动态数据调试器 |