FR or fr may refer to:

Places

  • France (ISO 3166-1 alpha-2 and NATO code)
  • Freiburg (vehicle registration code FR), Germany
  • Freistadt (vehicle registration code FR), Austria
  • Frontier Regions, a group of small administrative units in the Federally Administered Tribal Areas, Pakistan
  • Province of Frosinone (ISO 3166-2:IT code FR), Italy
  • Canton of Fribourg (ISO 3166-2:CH code FR), Switzerland

Science and technology

  • Ryan FR Fireball, a mixed-power US Navy fighter aircraft
  • Flame retardant<!--fails WP:DABACRO-->
  • Flash release, a technique used in wine pressing
  • Francium (symbol Fr), a chemical element
  • Franklin (unit) (Fr), a unit of electrical charge
  • Front-engine, rear-wheel-drive layout, of an automobile design
  • Froude number (), in physics
  • Front Right (FR), one of the speakers in 5.1 surround sound

Biology and medicine

  • French catheter scale, a scale for medical catheters
  • Elias Magnus Fries (1794–1878; author abbreviation Fr.), Swedish mycologist and botanist

Computing

  • .fr, the Internet country code top-level domain for France
  • Fujitsu FR (Fujitsu RISC), a microprocessor
  • fr-, product code prefix used by Farbrausch, e.g. fr-019
  • Full Rate, a speech coding standard used in GSM

<!--* fr, a CSS flex unit (fails WP:DABMENTION-->

  • Adobe Fresco, an Adobe software

Publications

  • Frankfurter Rundschau, a German newspaper
  • Federal Register, a US government official journal

Titles

  • Father (honorific), a title for a Catholic clergyman, especially a priest
  • Frater (Fr.), in Roman Catholicism, a monk who is not a priest
  • Fr., a title by male members of organisations such as Ancient Mystical Order Rosae Crucis

Transportation

  • Ryanair (IATA code: FR), an Irish ultra low-cost airline
  • Ffestiniog Railway, a tourist attraction in Gwynedd, Wales
  • Furness Railway, an early British railway company

Other uses

  • French language (ISO 639 alpha-2 code: fr)
  • Franc, a unit of currency
  • Friday, the 6th day of week

<!--* Fasch Repertorium, a catalogue of the works of the Baroque composer Johann Friedrich Fasch (fails WP:DABACRO / WP:DABMENTION)-->

  • Formula Regional, a class of open-wheel racing
  • Formula Renault, a racing class
  • "For real?", in SMS language

See also

  • RF (disambiguation)
  • F (disambiguation)
  • R (disambiguation)