X-1 may refer to:
Transportation
Aircraft
- Bell X-1, the first aircraft to exceed the speed of sound in controlled level flight
Automobiles
- Lada X-1, a 1981 Soviet concept MPV
- McLaren X-1, a 2012 British one-off sports car based on the 12C
Cycles
- Sinclair X-1, an electrically assisted faired recumbent bicycle
- Yamaha X-1, a commuter-style motorbike
Watercraft
- X-1 Submarine, the United States Navy's only midget submarine
Technology
- Xbox One, a video game console
- a one-lane PCI Express slot
Arts, entertainment, and media
- X Minus One, a 1950s American radio show
- X-Men (film), the first film in the X-Men franchise
- X-One, monthly magazine produced by Imagine Publishing
Other
- x, the multiplicative inverse of x (another way to denote 1⁄x, one divided by x)
- Cygnus X-1 and Scorpius X-1, two astronomical x-ray sources
- M82 X-1, a candidate intermediate-mass black hole detected in January 2006
See also
Topics referred to by the same termThis disambiguation page lists articles associated with the same title formed as a letter–number combination.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: