| DBL | DOUBLE | 双 |
| DBL | Drexel Burnham Lambert (defunct investment bank) | Drexel Burnham Lambert（已解散的投资银行） |
| DBL | Dark Blue Logo | 深蓝色徽标 |
| DBL | Digital Blueline | 数字蓝线 |
| DBL | Distribution-Based Logistics | 基于分销的物流 |
| DBL | Divided Bit-Line | 分割位线 |
| DBL | Disk Based Lookup | 基于磁盘的查找 |
| DBL | Disability | 残疾 |
| DBL | Debentures, Bonds and Loan stock | 债券、债券和贷款股票 |
| DBL | Double Reduction Gears (naval propulsion) | 双减速齿轮（海军推进） |
| DBL | Delaware Business Ledger | 特拉华州商业分类账 |
| DBL | Don Bosco Liluah (schools in Liluah, Howrah, West Bengal, India) | Don Bosco Liluah（印度西孟加拉邦Howrah市利卢阿的学校） |
| DBL | Distance Between Lenses | 透镜之间的距离 |
| DBL | Design Based Learning (teaching methodology) | 基于设计的学习（教学方法） |
| DBL | Development Baseline | 开发基线 |
| DBL | Down By Law (band) | Down By Law（乐队） |
| DBL | Database Language | 数据库语言 |
| DBL | Disability Benefits Law | 残疾人福利法 |
| DBL | Database Lock | 数据库锁定 |
| DBL | Don't Be Late | 别迟到 |