FR

FR or fr may refer to:

Businesses and organizations

• Frankfurter Rundschau, a German newspaper
• Ryanair (IATA airline designator FR)

Places

• France, by ISO 3166-1 alpha-2 and NATO code
  • French language (ISO 639 alpha-2 code "fr")
  • Franc, a unit of currency
  • .fr, the country code Top Level Domain for France
• Freiburg, Germany (vehicle registration code FR)
• Freistadt, Austria (vehicle registration code FR)
• Frontier Regions, a group of small administrative units in the Federally Administered Tribal Areas, Pakistan
• Province of Frosinone, Italy (ISO 3166-2:IT code FR)
• Canton of Fribourg, Switzerland (ISO 3166-2:CH code FR)

Science and technology

Biology and medicine

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

Computing

• .fr, the country code Top Level Domain for France
• Fujitsu FR (Fujitsu RISC), a microprocessor
• Product code used by Farbrausch, e.g. fr-019
• Full Rate, a speech coding standard used in GSM

Other uses in science and technology

• Ryan FR Fireball, a mixed-power US Navy fighter aircraft
• Flame retardant
• Flash release, a technique used in wine pressing
• Francium, a chemical element with symbol Fr
• Franklin (unit), unit of electrical charge
• Front-engine, rear-wheel drive layout of an automobile design
• Froude number, in physics

Other uses

• Friday, the 6th day of week
• Father (title), a title for a Catholic clergyman, especially a priest
• Fasch Repertorium, a catalogue of the works of the Baroque composer Johann Friedrich Fasch
• Federal Register, a US government official journal
• Ffestiniog Railway, a tourist attraction in Gwynedd, Wales
• Formula Renault, a racing class
• Franc, a unit of currency
• French language (ISO 639 alpha-2 code "fr")