| ECFA | Engineering Consulting Firms Association, Japan | 日本工程咨询公司协会 |
| ECFA | Evangelical Council for Financial Accountability | 财务责任福音理事会 |
| ECFA | European Committee for Future Accelerators (physics) | 欧洲未来加速器委员会（物理学） |
| ECFA | Eosinophilic Chelotactic Factor Agent | 嗜酸性螯合因子剂 |
| ECFA | Emanation Creation Formation And Action | 发射创造的形成和行动 |
| ECFA | Evangelical Child and Family Agency | 福音儿童和家庭机构 |