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)

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")