| EPAC | Emergency Preparedness Advisory Committee | 应急准备咨询委员会 |
| EPAC | Exchange Protein directly Activated by cAMP | cAMP直接激活的交换蛋白 |
| EPAC | External Program Advisory Committee | 外部项目咨询委员会 |
| EPAC | Europe Pacific Asia and Canada (Dow Jones Index) | 欧洲、太平洋、亚洲和加拿大（道琼斯指数） |
| EPAC | Enhanced Perceptual Audio Coder | 增强感知音频编码器 |
| EPAC | End Prior Approval Coalition | 结束事先批准联盟 |
| EPAC | Electronic Portfolio Action and Communications | 电子公文包行动和通信 |
| EPAC | Ethanol Producers and Consumers | 乙醇生产商和消费者 |
| EPAC | Eastern Pacific | 东太平洋 |
| EPAC | European Particle Accelerator Conference | 欧洲粒子加速器会议 |
| EPAC | Enhanced Perceptual Audio Coder (Lucent/Bell Labs) | 增强的感性声频编码器/贝尔实验室(8) |