| Acronym | Definition |
|---|
| FJO➣Firm Job Offer |
| FJO➣Foyer des Jeunes Ouvriers (French: Home Young Workers) |
| FJO➣Fribourg Jazz Orchestra (Fribourg, Switzerland) |
| FJO➣Functional Jaw Orthopedics |
| FJO➣Floreffe Jazz Orchestra (Belgian jazz orchestra) |
| FJO➣Festival de la Jeunesse Orthodoxe (French: Festival of Orthodox Youth) |
| FJO➣Fonds pour la Jeunesse Orléannaise (French: Fund for Youth Orleans; Orleans, France) |
| FJO➣Feeling Jazz Orchestra (Japan) |
| FJO➣Followers of the Jedi Order (Star Wars gaming clan) |