ATK may refer to:

Companies edit

  • Alliant Techsystems, an American aerospace, defense, and sporting goods company, now part of Northrop Grumman
  • ATK motorcycles, an off-road motorcycle manufacturer
  • A.T. Kearney, a management consulting firm
  • ATK Thiokol, or ATK Launch Systems Group, former names of Thiokol, an aerospace, defense and commercial products company, later part of Orbital ATK

Software edit

Sports edit

Other uses edit

See also edit