X may refer to:
- The X-Universe series, a long-running series of Wide-Open Sandbox games.
- X (1992), a tank game on the Game Boy.
- X (Dark Horse Comics), a comic book series by Dark Horse Comics.
- X/1999, a manga series referred to as X in Japan.note
- X (2022), a film by A24.
A number of musicians have called themselves X:
- The American band X (US Band)
- The Australian band X Australia
- The Japanese band X Japan
- The late rapper XXXTentacion (commonly referred to as X)
Tropes brought to you by the letter X:
See This Trope Is X for tropes in which "X" is a placeholder.
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