| Acronym | Definition |
|---|
| TEFA➣Tutmonda Esperanto Futbala Asocio (Esperanto: Worldwide Esperanto Football Association) |
| TEFA➣Technology Education Federation of Australia |
| TEFA➣Transitional Energy Facility Assessment (tax; New Jersey) |
| TEFA➣Technology-Enhanced Formative Assessment (various universities) |
| TEFA➣Tanzania Environmental Friendly Association (est. 2009) |
| TEFA➣Tube Excited Fluorescence Analysis |
| TEFA➣The Environmentally Friendly Aircraft (Aeronautics Task Force; EU) |
| TEFA➣Troon Electronic Fish Auction (Scotland, UK) |