// Workers AI · dad joke modeWhat did F1 say to its rival? You're in the fast lane to disappointment.

F1 is Formula One, the highest class of auto racing sanctioned by the FIA.

F1, F01, F.I, F.1 or F-1 may also refer to:

Military craft and weapons

F1 grenade (disambiguation), several types of hand grenade
F 1 Hässlö, a former Swedish Air Force wing
F1 SMG, an Australian submachine gun
Dassault Mirage F1, a French combat aircraft
FCM F1, a 1940 French super-heavy tank
Fokker F.I, a German fighter triplane
HMS F1, an F-class submarine of the Royal Navy, launched in 1915
HMS Kelly (F01), a 1938 British Royal Navy K-class destroyer
Kampfgeschwader 76, from its historic Geschwaderkennung code with the Luftwaffe in World War II
Mitsubishi F-1, a fighter/attack aircraft of the Japan Air Self-Defense Force
North American F-1 Fury, the FJ known as the F-1 from 1962 onward
Sopwith Camel F.1, a 1916 British World War I single-seat fighter biplane
USS F-1 (SS-20), an F-class submarine of the United States Navy
Felixstowe F.1, a Seaplane Experimental Station-designed flying boat
Fokker F.I (1919), an abortive design that served for the 1916 Fokker F.II airliner construction
Avion MAI F-1, a sporting biplane
FR F1, a French precision rifle

F-1 cubesat, a picosatellite developed in Vietnam
F1 hybrid, a first-generation hybrid (or crossbreed) animal or plant
F1-isoprostane, a type of isoprostane
F₁ layer, a layer of the ionosphere
F1 score, a statistical performance measure of a test or classifier
Vascular dementia's ICD-10 code
F1, a tornado intensity rating on the Fujita scale
f₁, the formant with the lowest frequency in acoustics and phonetics
F-1 (nuclear reactor), the oldest operating research reactor
NIST-F1, a cesium fountain clock and the United States' primary time and frequency standard
F₁, the field with one element

BMW F01, an automobile platform
BYD F0 or BYD F1, a car manufactured by BYD Auto
F1, the project codename and development designation of the first Lexus vehicle
Ford F-Series, includes the F-1 pickup truck
Finnish Steam Locomotive Class F1
F-01 (Michigan county highway)
F1 Taksim–Kabataş funicular line, a railway line in Istanbul, Turkey
McLaren F1, a sports car
NCC Class F1, a Northern Counties Committee Irish steam locomotive
Rocketdyne F-1 rocket engine
SECR F1 Class, a South Eastern and Chatham Railway, British steam locomotive
SP&S Class F-1, an American steam locomotive class, of the Spokane, Portland and Seattle 700
SpaceX Falcon 1 space launch rocket
Manly ferry service in Sydney, Australia known as the F1

F-1 visa, a visa category to enter United States as a student
Foundation Year 1, the first year of the UK Foundation Programme for postgraduate medical practitioners
f¹, Family 1, a group of Greek gospel manuscripts