| Acronym | Definition |
|---|
| JF | Juiz de Fora (Brazil) |
| JF | Jane Fonda (activist and actress) |
| JF | John Fruscinate (Red Hot Chili Peppers band member) |
| JF | Junk Food |
| JF | Jack Frost |
| JF | Japan Foundation (New York, NY) |
| JF | Jugendfeuerwehr (German: youth fire brigade) |
| JF | Jesus Freak |
| JF | Jour Fixe (French: Fixed Day) |
| JF | John Frankenheimer (film director) |
| JF | Juicy Fruit (chewing gum) |
| JF | Joint Force |
| JF | Justiça Federal (Federal Court; Brazil) |
| JF | Jango Fett (Star Wars character) |
| JF | Jimmer Fredette (basketball player) |
| JF | Joey Fatone |
| JF | Judicial Foreclosure |
| JF | Junkfood (band) |
| JF | Jackson Five (band) |
| JF | Just Flight (software) |
| JF | Just Fix |
| JF | Jade Falcon (gaming clan) |
| JF | Jackfield (Cisco) |
| JF | JournalFen (website) |
| JF | Just Fishing |
| JF | Japan Food Service Association |
| JF | Jeep Forum |
| JF | Janatharana Foundation (Sri Lanka) |