| Acronym | Definition |
|---|
| FOE | Friends Of the Earth |
| FOE | Foundations of Excellence |
| FOE | Freedom of Establishment (EU) |
| FOE | Fraternal Order of Eagles |
| FOE | Freedom of Expression |
| FOE | Frontiers of Engineering (symposium) |
| FOE | Friends of English (English Conversation Club; South Korea) |
| FOE | Focus on Energy (Wisconsin) |
| FOE | Fall of Empires (game) |
| FOE | Federal Office of Energy (Switzerland) |
| FOE | Forge of Empires (video game) |
| FOE | Flight Operations Engineer |
| FOE | Friends or Enemies (music) |
| FOE | Fiber Optic Extender |
| FOE | Faculty of Engineering |
| FOE | Faculty of Education |
| FOE | Festival de l'Outaouais Émergent (Canadian arts festival) |
| FOE | Family Owned Enterprise |
| FOE | Friends of Europe |
| FOE | Fixed Operating Equipment (infrastructure) |
| FOE | Focus of Expansion (optics) |
| FOE | Firm Order Exception |
| FOE | Friends of Environment (Society; Jordan) |
| FOE | Fat Oljeekvivalenter (Norwegian: Barrel of Oil Equivalent) |
| FOE | Family Over Everything (band) |
| FOE | Foreign Object Elimination (Northrop-Grumman and Boeing assembly line usage) |
| FOE | Follow-On Evaluation |
| FOE | Topeka, KS, USA - Forbes Field (Airport Code) |
| FOE | Forwarding Order Expired |
| FOE | Frequency-Offset Estimator |
| FOE | Fact of Employment |
| FOE | Forsvarets Etterretningstjeneste (Norwegian military intelligence agency) |
| FOE | Fiber Optics Equipment |
| FOE | Follow-On Element |
| FOE | Follow-On Equipment |
| FOE | Final Operational Evaluation |
| FOE | Friends of Eveleigh |
| FOE | Freakin' Operator Error (polite version) |
| FOE | Field/Follow-On Operational Evaluation |
| FOE | Association for Friends of Environment in Alexandria (Egypt) |
| FOE | Fat Opposite the Ribeye |
| FOE | Fleet of Eden (RPG) |