The FN FAL (French: Fusil Automatique Léger, English: Light Automatic Rifle), is a battle rifle designed by Dieudonné Saive and Ernest Vervier and manufactured by Fabrique Nationale d’Herstal (FN Herstal). During the Cold War it was adopted by many North Atlantic Treaty Organization (NATO) countries, with the notable exception of the United States. It is one of the most widely used rifles in history, having been used by more than 90 countries.

The FAL was predominantly chambered for the 7.62×51mm NATO round (although originally designed for the .280 British intermediate cartridge) and because of its prevalence and widespread use among the armed forces of many NATO countries during the Cold War it was nicknamed “The right arm of the Free World”. A British Commonwealth derivative of the FN FAL has been produced under licence as the L1A1 Self-Loading Rifle.