| EISA | Enhanced Industry Standard Architecture | 增强形工业标准架构 |
| EISA | Extended Industry Standard Architecture | 擴展工標準結構 |
| EISA | European IT Services Association | 欧洲IT服务协会 |
| EISA | European Imaging and Sound Association | 欧洲图像和声音协会 |
| EISA | Eastern Intercollegiate Ski Association | 东部校际滑雪协会 |
| EISA | Expanded International Standards Association | 扩大的国际标准协会 |
| EISA | European Imaging Sound Association | 欧洲成像声音协会 |
| EISA | European Independent Steelworks Association | 欧洲独立钢铁厂协会 |
| EISA | Everton Independent Supporters Association | 埃弗顿独立支持者协会 |
| EISA | Edmonton Immigrant Services Association | 埃德蒙顿移民服务协会 |
| EISA | Environmental Impact Statement Assessment | 环境影响报告评估 |
| EISA | Egyptian Insurance Supervisory Authority | 埃及保险监管局 |
| EISA | Experiencias Industriales, S. A. | Experiencias Industriales，S.A.公司。 |
| EISA | Electoral Institute of Southern Africa | 南部非洲选举研究所 |
| EISA | Energy Independence and Security Act of 2007 | 2007年能源独立与安全法案 |
| EISA | Eurecom Institute Sophia Antipolis | Eurecom研究所Sophia Antipolis |
| EISA | European Initiative on Sustainable development in Agriculture | 欧洲农业可持续发展倡议 |
| EISA | Energy Independence and Security Act (US DoE) | 《能源独立与安全法案》（美国DoE） |
| EISA | Enterprise Information System Architecture | 企业信息系统架构 |
| EISA | Electronic Information Sharing Agreement | 电子信息共享协议 |
| EISA | Extended Industry Standard Adapter | 扩展行业标准适配器 |
| EISA | electroencephalogram interval spectrum analysis | 脑电图间期频谱分析 |