Flasher

Flasher may refer to:
 * A person who exposes their body indecently as exhibitionism
 * A vehicle's hazard or turn signal
 * Lobotes surinamensis, the Atlantic tripletail fish
 * Flasher, American indie rock band from Washington D.C.
 * Flasher, North Dakota, a community in the United States
 * USS Flasher (SS-249), a Gato-class submarine, commissioned in 1943 and stricken in 1959
 * USS Flasher (SSN-613), a Permit-class submarine, commissioned in 1966 and struck in 1992
 * MC Flasher, Slovenian–Canadian electronic music artist, founder of the Final Flash City festival