FJ may refer to:
Geologically, a fjord or fiord (English: or ) is a long, narrow inlet with steep sides or cliffs, created by glacial erosion.
The Fjord horse or Norwegian Fjord Horse (Norwegian: fjordhest) is a relatively small but very strong horse breed from the mountainous regions of western Norway.
Peder Are Nøstvold Jensen (born 11 June 1975) is a prominent Counter-jihad Norwegian blogger who writes under the pseudonym Fjordman and who has been characterized as far-right and anti-Islamic.
Fjölnir (Old Norse: Fjǫlnir, lit. "Manifold" or "Multiplier") is a legendary king in Norse mythology said to have been the son of Freyr (Frey) and his consort Gerðr (Gertha).
Fan Ji (反击, meaning counter strike) anti-ballistic missile (FJ ABM) was the missile used in the HQ-81 ABM system (ABMS), which was the land based component of 640-1 ABMS project, which in turn, was part of the Chinese 640 ABMS project in the 1960s.
This is about the legacy Flying J Inc., which remains in operation as FJ Management Inc. For the current truck stop chain, see Pilot Flying J.
Fjaler is a municipality in the county of Sogn og Fjordane, Norway. It is located in the traditional district of Sunnfjord.
The Fjäll (Swedish: Fjällko or Svensk Fjällras) is a traditional Swedish breed of polled mountain cattle.