FJ
FJ is an abbreviation for:
- Air Pacific airline of Fiji Islands under IATA code
- Cadet, also Fhj, military ranks of the Bundeswehr
- Fiji island nation in the South Pacific from ISO 3166
- Flying Junior, class mark of a sailing dinghy
- North American FJ Fury, the first carrier-based jet aircraft for the U.S. Navy
FJ as distinguishing signs on license plate:
- UK: Nottingham
- Netherlands: mopeds
- Sweden: Diplomatic for the United Arab Emirates
FJ is an abbreviation for:
- Femtojoules, physical unit
Fj is an abbreviation for:
- Fiji, language code from ISO 639-1
- Fratres Joannis, Community of St. John Catholic religious order
. fj is_
- . fj, country code top -level domain ( ccTLD) of Fiji
- Disambiguation
- Abbreviation