A flashover is the near simultaneous ignition of all combustible material in an enclosed area.

Flashover may also refer to:

• Arc flash, also known as a flashover, an electric arc between exposed commutator segments in a motor or generator
• Flashover Recordings, a trance music record label
• Sympathetic detonation, or flashover, detonation of an explosive charge by a nearby explosion
• "Flashover", a song by Enhypen from Desire: Unleash, 2025

This disambiguation page lists articles associated with the title Flashover.
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