| Abbreviation | Definition |
|---|---|
| ESF | English Surfing Federation |
| ESF | European Safety Federation |
| ESF | European Sign Federation |
| ESF | European Softball Federation |
| ESFG | European Small Federation Games |
| ESSF | Eindhoven Students Sport Federation |
| ETAF | European Tax Adviser Federation |
| ETFO | Elementary Teachers Federation of Ontario |
| ETFO | Elementary Teachers' Federation of Ontario |
| ETKF | Egyptian Traditional Karate Federation |
| ETUF | Egyptian Trade Union Federation |
| EUF | Embassy of Universal Federation |
| EUSF | Egyptian University Sport Federation |
| EWF | European Welding Federation |
| FAAC | Federation Account Allocation Committee |
| FAAC | Federation Accounts Allocation Committee |
| FAAP | Federation of Accrediting Agencies of the |
| FAAP | Federation of Accrediting Agencies of the Philippines |
| FABC | Federation of Asian Bishops' Conferences |
| FACA | Federation of Anglican Churches in the Americas |