FNJ
| Acronym | Definition |
|---|---|
| FNJ | Federation of Nepalese Journalists |
| FNJ | Front National de la Jeunesse |
| FNJ | Front National pour la Justice (Comoros) |
| FNJ | Familynet Japan |
| FNJ | Fördergemeinschaft für Naturwissenschaftliche Jugendarbeit eV (German: Community Funding for Scientific Youth) |
| FNJ | Frohes Neues Jahr (German: Happy New Year) |
| FNJ | Fond National Juif (French: Jewish National Fund) |
| FNJ | Pyongyang Sunan International Airport (airport code) |