| DTO | Data Transfer Operation | 数据转移操作 |
| DTO | Daily Turn-On | 每日开机时间 |
| DTO | Determine Treatment Options | 确定治疗方案 |
| DTO | Dublin Transportation Office (Ireland) | 都柏林交通局（爱尔兰） |
| DTO | Defensie Telematica Organisatie (Dutch) | Defenseie Telematica Organisatie（荷兰语） |
| DTO | Dual-Trace Oscilloscope | 双道示波器 |
| DTO | Detailed Test Objective | 详细测试目标 |
| DTO | Department of Telecommunication Operations | 电信运营部 |
| DTO | Dum Techniky Ostrava | Dum Techniky Ostrava公司 |
| DTO | Douglas Timbers Operation | 道格拉斯木材公司 |
| DTO | Data Transport Option (Computer Associates' Unicenter addon) | 数据传输选项(电脑员工Unicenter大亨新增》) |
| DTO | Direito (Portuguese: right; postal usage) | Direito（葡萄牙语：右；邮政用法） |
| DTO | District Transport Office | 地区交通办公室 |
| DTO | District Transportation Officer | 地区交通官员 |
| DTO | Data Takeoff | 数据起飞 |
| DTO | Design to Order | 按订单设计 |
| DTO | Directorate of Traffic Operations (UK) | 交通运营局（英国） |
| DTO | Day Timer Organizer | 日计时器组织者 |
| DTO | Digitally Tuned Oscillator | 数字调谐振荡器 |
| DTO | District Training Officer | 地区培训主任 |
| DTO | dihydrothebaine | 二氢蒂巴因 |
| DTO | deodorized tincture of opium | 脱臭鸦片酊 |
| DTO | Dodge Trucks Organization | 道奇卡车组织 |
| DTO | DHAPP (Depatment of Defense HIV/AIDS Prevention Program) Travel Office | DHAPP(Depatment防御HIV / AIDS预防计划)旅游的办公室 |
| DTO | Division Transportation Office(r) | 部门运输办公室（r） |
| DTO | Discover the Outdoors | 探索户外 |
| DTO | Denizli Ticaret Odasi (Turkey) | Denizli Ticaret Odasi（土耳其） |
| DTO | Dollar Trade-Off | 美元交易 |
| DTO | Defense Technology Objective | 国防技术目标 |
| DTO | Discovery Trekking Outfitters (California) | 探索旅行装备（加利福尼亚州） |
| DTO | Defense Technology Office | 国防技术办公室 |
| DTO | Deputy Director for Technical Operations (J8) (JCS) | 技术运营副总监（J8）（JCS） |
| DTO | Draaitrommeloven (Dutch: rotating barrel oven) | Draaitrommeloven（荷兰语：旋转筒式烤箱） |
| DTO | Diluted Tincture of Opium | 稀释鸦片酊 |
| DTO | Danger to Others (biomedical ethics) | 对他人的危险（生物医学伦理） |
| DTO | Dial Tone Office | 拨号音办公室 |
| DTO | Doomed to Obscurity | 注定要模糊 |
| DTO | Diocese of Toledo Collection | 托莱多教区收藏 |
| DTO | Development Test Objective | 开发测试目标 |
| DTO | Detroit Tamburitza Orchestra (Warren, MI) | 底特律坦布里察管弦乐团（密歇根州沃伦） |
| DTO | Diffusion Thermique Ouest (French) | 扩散Thermique Ouest（法语） |
| DTO | Doomed To Oblivion | 注定要被遗忘 |
| DTO | Derived Test Objective | 派生测试目标 |
| DTO | Disruptive Technology Office (US government Intelligence Center; formerly Advanced Research and Development Activity) | 颠覆性技术办公室（美国政府情报中心；前身为高级研发活动） |
| DTO | Division Transportation Officer | 部门运输官员 |
| DTO | DeskTop Organization | 桌面组织 |
| DTO | Distilled Tall Oil | 蒸馏妥尔油 |
| DTO | Denial To Operate | 拒绝操作 |
| DTO | Drug Trafficking Organization | 贩毒组织 |
| DTO | Download-To-Own (video content) | 下载至自己（视频内容） |
| DTO | Director of Technical Operations | 技术运营总监 |
| DTO | Dienst Technische Ondersteuning | Dienst Technische Ondersteuning公司 |
| DTO | District Technology Office | 区技术办公室 |
| DTO | Deliver-To-Order | 按订单交货 |
| DTO | Demonstration Test Objective | 演示测试目标 |
| DTO | Detention and Training Order | 拘留和培训令 |
| DTO | Domain Test Object | 域测试对象 |
| DTO | Detective-Talk-Off | 侦探谈话关闭 |
| DTO | Domino Translation Object | Domino转换对象 |
| DTO | Direct Turnover | 直接营业额 |
| DTO | District Tax Office | 地区税务局 |
| DTO | Data for Testifying Officers (USACE) | 认证官员数据（USACE） |
| DTO | Destroy the Opponent (gaming clan) | 摧毁对手（游戏部落） |
| DTO | Denton Municipal Airport (Texas) | 丹顿市政机场（德克萨斯州） |
| DTO | Data Terminal Operator | 数据终端操作员 |
| DTO | Data Transfer Object | 数据传输对象 |