Editing X-1

'''X-1''' may refer to:

{{toc right}}

==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)|''X-Men'' (film)]], the first film in the ''X-Men'' franchise
* [[X-One]], monthly magazine produced by Imagine Publishing

==Other==
* ''x''<sup> −1</sup>, 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==
* [[X1 (disambiguation)]]
* [[1X (disambiguation)]]

{{Letter-number combination disambiguation}}