For or FOR may refer to:

English language For, a preposition For, a complementizer For, a grammatical conjunction

Science and technology for loop, a programming language statement Fornax, a constellation Fast oil recovery, systems to remove an oil spill from a wrecked ship Field of regard, in optoelectronics Forced outage rate, in reliability engineering Frame of reference, in physics

Other uses Fellowship of Reconciliation, a number of religious nonviolent organizations Fortaleza Airport (IATA airport code), an airport in Brazil Revolutionary Workers Ferment (Fomento Obrero Revolucionario), a small left communist international Field of Research, a component of the Australian and New Zealand Standard Research Classification FOR, free on rail, a historic form of international commercial term or Incoterm "For", a song by Dreamcatcher from Apocalypse: Save Us, 2022

See also 4 (disambiguation)