FJI
| Acronym | Definition |
|---|---|
| FJI | Fiji (ISO Country code) |
| FJI | Federación de Jóvenes Investigadores (Spanish: Federation of Young Researchers) |
| FJI | Air Pacific, Fiji (ICAO code) |
| FJI | Florida Justice Institute |
| FJI | Forward Janesville, Inc. (Janesville, WI) |
| FJI | Flaschner Judicial Institute (Massachusetts; est. 1978) |
| FJI | Free Jejunal Interposition |