Zircon is a mineral and gemstone.

Zircon may also refer to:

Science and technology

• Zircon (microkernel), the microkernel of the operating system Google Fuchsia
• Cubic zirconia, a synthetic diamond substitute, sometimes mistakenly referred to as "zircon"

Military

• Zircon (satellite), a British signals intelligence satellite
  • Zircon affair, an incident surrounding the British signals intelligence satellite
• USS Zircon, a US Navy vessel
• 3M22 Zircon, Russian hypersonic anti-ship cruise missile

Other uses

• Zircon (composer), American electronic musician Andrew Aversa
• Zircon, a character of the Sailor Moon manga series
• Zircon, multiple fictional characters from the animated children's television show Steven Universe
• Zircon, a character in Land of the Lustrous.

This disambiguation page lists articles associated with the title Zircon.
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