V1

V1, V01 or V-1 can refer to version one (for anything) (e.g., see version control)

V1, V01 or V-1 may also refer to:

In aircraft

V-1 flying bomb, a World War II German weapon
V₁ speed, the maximum speed at which an aircraft pilot may abort a takeoff without causing a runway overrun
Vultee V-1, an American single-engine airliner of the 1930s
Fokker V.1, a German parasol monoplane experimental fighter prototype, built in 1916
The first prototype/experimental (Versuchs) airframe of nearly any German WW II-era military aircraft

V1-class destroyer, a German World War I destroyer class
USS V-1, 1924–1931 designation of the USS Barracuda (SS-163), first of the US "V-boat" series of submarines
V1, a rudderless single-paddler outrigger canoe

V1, or Hubble variable number one is the name given to a historically important Cepheid variable star in the Andromeda Galaxy

Base form (V₁) of an English verb
ATC code V01 Allergens, a subgroup of the Anatomical Therapeutic Chemical Classification System
V1 (classification), a Paralympic archery classification for people with visual disabilities
LNER Class V1, a 1930–1939 British 2-6-2 tank engine
Nikon 1 V1, a camera
V1 Gallery, in Copenhagenany
V.1, a telephone communications standard of the ITU-T
V1, a visual query language for property graphs
Z1 (computer), previously known as V1
V1 (film), a 2019 Indian film