| Acronym | Definition |
|---|
| FOF | Fellowship of Faith |
| FOF | Future of Farming (various locations) |
| FOF | Families of the Fallen (war dead) |
| FOF | Factories of the Future (EU) |
| FOF | Frontiers of Freedom (est. 1994) |
| FOF | Feelings of Familiarity |
| FOF | Forum Francophone (French sales forum) |
| FOF | Friend of Fire |
| FOF | Friend of the Foundation (various locations) |
| FOF | Focus on the Family (religious organization) |
| FOF | Fund of Funds (umbrella fund) |
| FOF | Freak-Out Factor |
| FOF | Frets On Fire (game) |
| FOF | Feast of Fools |
| FOF | Force-On-Force |
| FOF | Fact or Fiction |
| FOF | Friend or Foe |
| FOF | Front Office Football (computer game) |
| FOF | Fédération des Orthophonistes de France (French: Speech Federation of France) |
| FOF | Friend or Foe (game show) |
| FOF | Finding of Fact |
| FOF | Fear of Flying |
| FOF | Flow of Funds |
| FOF | Flirer og Flirer (Norwegian: Giggles and Grins) |
| FOF | For Old Farts |
| FOF | Forum of Firms (accounting) |
| FOF | Field Operating Facility (US FEMA) |
| FOF | Fistful of Frags (Half-Life 2 mod) |
| FOF | Fight or Flight |
| FOF | Fear of Falling (behavioral science) |
| FOF | Flights of Fantasy |
| FOF | Feet Of Flames (show) |
| FOF | Fear Of Failure |
| FOF | Future of Forestry (band) |
| FOF | Filet-O-Fish (McDonalds sandwich) |
| FOF | Fists of Fury |
| FOF | Friend of Friend |
| FOF | Field Of Fire |
| FOF | Folkeligt Oplysningsforbund (Danish: National Information Union) |
| FOF | Friend on Facebook |
| FOF | Festival of Fools |
| FOF | Fix On Failure |
| FOF | Follow On Forces |
| FOF | Faith on Fire (Camporee) |
| FOF | Frown on Face |
| FOF | Field Of Flowers |
| FOF | Fact of Filing |
| FOF | Friends of Foamy (cartoon) |
| FOF | Fuel Oil Flow |
| FOF | File of Files (term used with CVS source control difference comparison) |
| FOF | Found on Floor |
| FOF | Future Officers Fellowship (Salvation Army) |
| FOF | Fast Old Farts (female and male racers over the age of 40) |
| FOF | Focus on Fundamentals |
| FOF | Full of Fail (gaming) |
| FOF | First of Fall (first migranting birds to arrive in autumn) |
| FOF | Full on Filters |
| FOF | Forme d'Onde Formantique |
| FOF | Fund Our Future (National Apartment Association Political Action Committee) |
| FOF | Fretz on Fire |
| FOF | Friend of Family |
| FOF | Finger of Fudge |
| FOF | Friends of Fox |
| FOF | Face of Flange (piping design) |
| FOF | Friends of Fantasy |
| FOF | Fixed Operating Frequency |
| FOF | Finance Office of the Future |
| FOF | Function d'Onde Formantique (vocal synthesis technique) |