| EPSI | Ecole PrivÉe des Sciences Informatiques | Ecole PrivÉe des Sciences Informatiques |
| EPSI | Encapsulated PostScript style preview file | 封装的PostScript样式预览文件 |
| EPSI | Evaluaciones PsicolÓgicas SistÉmicas (Santo Domingo, Dominican Republic) | Evaluaciones PsicolÓgicas SistÉmicas (Santo Domingo, Dominican Republic) |
| EPSI | Encapsulated PostScript Interchange | 封装的PostScript交换 |
| EPSI | European Petrol Station Interface | 欧洲加油站接口 |
| EPSI | Engineering and Professional Services, Inc. | 工程和专业服务公司。 |