| DDTP | Dynamic DNS Tools Protocol | 动态DNS工具协议 |
| DDTP | Deaf and Disabled Telecommunications Program | 聋人和残疾人电信项目 |
| DDTP | Debian Description Translation Project | Debian描述翻译项目 |
| DDTP | Distressed Debt Trading Platform | 不良债务交易平台 |
| DDTP | Drug Dependency Treatment Program | 药物依赖治疗计划 |