Xenon is a codename used many times during the Xbox 360's development, and mentions of it can still be found in some 360 files.
Xenon may refer to:
- Xenon, the codename for the Xbox 360 before it was announced.
- Xenon (Motherboard), the original Xbox 360 motherboard and case.
- Xenon (CPU), the CPU used by the Xbox 360.
- Xenos, the GPU used by the Xbox 360