| DCCA | Dupont Circle Citizens Association | 杜邦圆环公民协会 |
| DCCA | Directional Crossing Contractors Association | 定向穿越承包商协会 |
| DCCA | Dependable Computing for Critical Applications (Conference) | 关键应用的可靠计算（会议） |
| DCCA | dextran-coated charcoal assay | 葡聚糖包被炭测定 |
| DCCA | Drying Control Chemical Additive | 干燥控制化学添加剂 |
| DCCA | Department of Commerce and Community Affairs | 商务和社区事务部 |
| DCCA | Debian Common Core Alliance | Debian公共核心联盟 |
| DCCA | Degraded Core Coolability | 堆芯冷却能力降低 |
| DCCA | Design Change Cost Analysis | 设计修改成本分析 |
| DCCA | Division of Commissioned Corps Assignments | 委任兵团分配司 |
| DCCA | Display Circuit Card Assembly | 显示电路卡组件 |
| DCCA | Distributed Component Computing Architecture | 分布式组件计算体系结构 |
| DCCA | Dual Channel Collision Avoidance | 双通道防撞 |
| DCCA | Direct and Contiguous Compounding Area | 直接和连续混合区 |
| DCCA | Darlington's Children's Countryside Asssociation (UK) | Asssociation出战的儿童的农村(英国) |
| DCCA | Data Critical Corporation | 数据关键型公司 |
| DCCA | Dogo Canario Club of America, Inc. | 美国多哥卡纳里奥俱乐部。 |
| DCCA | Department of Commerce and Consumer Affairs | 商务和消费者事务部 |
| DCCA | Diameter Credit-Control Application | Diameter信用控制应用程序 |
| DCCA | Division of Consumer and Community Affairs | 消费者和社区事务部 |
| DCCA | Dimethylcyclopropane Carboxylic Acid (insecticide) | 二甲基环丙烷羧酸（杀虫剂） |
| DCCA | Discrete Channel with Clarke's Autocorrelation (communication channel model) | 离散通道和克拉克的自相关函数(通信信道模型) |