| DBSA | Development Bank of Southern Africa | 南部非洲开发银行 |
| DBSA | Direct Broadcast Satellite Association | 直接广播卫星协会 |
| DBSA | Deployed Baseline System Architecture | 部署的基线系统架构 |
| DBSA | Dual-Band Slot Antenna | 双频槽天线 |
| DBSA | Dodecylbenzene Sulfonic Acid | 十二烷基苯磺酸 |
| DBSA | Dirt Bike Club of San Antonio | 圣安东尼奥脏自行车俱乐部 |
| DBSA | Depression and Bipolar Support Alliance | 抑郁症和双相情感支持联盟 |
| DBSA | 3,5-dibromosalicy laldehyde | 3,5-二溴水杨酸醛 |