Phaser

Phaser may refer to:
 * Raytheon Phaser, a directed-energy weapon
 * Phaser (fictional weapon), a gun in the Star Trek universe
 * Phaser (effect), in electronics, an audio signal processor used to phase-shift the signal
 * Light Phaser, a lightgun for the Master System console
 * Xerox Phaser, a brand of printers
 * Personnel Halting and Stimulation Response rifle (PHASR), a dazzler weapon
 * Phaser, an insecticide containing the active ingredient endosulfan
 * Phaser Digital Power Transducer from Second Wind
 * Phaser (band), a Washington, D.C. rock band
 * Phaser (game framework), HTML5 game creation framework