X1 or X-one may refer to:
Transportation
Automobiles
- BMW X1, a 2009–present German subcompact luxury SUV
- Geely Yuanjing X1, a 2017–2021 Chinese mini crossover
- Red Bull X1, the former name of the Red Bull X2010, a fictional car created for the game Gran Turismo 5
- Wrightspeed X1, a 2008 electric sports car prototype based on the Ariel Atom
Bus routes
- X1 (Metrobus), a bus route in Washington, District of Columbia, United States
- X1 (New York City bus), a bus route in New York City, New York, United States
- X1 Steel Link, a bus rapid transit service between Sheffield, Rotherham, and Maltby in England, United Kingdom
- Excel X1, a bus route from Lowestoft to Peterborough in England, United Kingdom
- X1 Glasgow–Hamilton, a former bus route in Scotland
- Green Line routes X1 and X10, a former coach route from Southend-on-Sea to London
Rail transport
- SL X1, a former Swedish commuter train built by ASEA
- LNER Class X1, a single locomotive rebuilt several times in its history
Watercraft
- X1 (dinghy), a fast, light-weight sailing dinghy designed for inland racing
- HM Submarine X1, a Royal Navy submarine
Aircraft
- Bell X-1, an experimental rocket plane
Technology
- Sharp X1, a Japanese home computer manufactured by the Sharp Corporation
- Xbox One, a video game console
- a one-lane PCI Express slot
- Cray X1, a supercomputer sold since 2003
- Electrologica X1, an early Dutch computer
- Sony Ericsson XPERIA X1, a mobile phone
- ThinkPad X1 Carbon, a high-end notebook computer released by Lenovo in 2012
- X1 (software company) formerly known as X1 Technologies, Inc.
- Tegra X1, a system on a chip released by Nvidia in 2015
- X1, an IPTV-based cable television hardware platform developed by Comcast
Arts, entertainment, and media
- X1 (band), a South Korean boy band formed through Produce X 101
- X1 (rapper) (1979–2007), American rapper
- 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)
- United States patent X1, by Samuel Hopkins (inventor)
- X1 (Egyptian hieroglyph t), an extremely common alphabetic letter in the Ancient Egyptian alphabet
- X1, a former sister MMA promotion of the defunct Fighting of World Japan Pro Wrestling
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: