ATK may refer to:

Companies

• 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

• Accessibility Toolkit, a GNOME API for developing accessible applications
• Andrew Toolkit, part of the Andrew Project used to create and distribute documents
• Atomistix ToolKit, software for atomic-scale modeling

Sports

• ATK (football club), Indian football club active from 2014 to 2020

Other uses

• Arachidonyl trifluoromethyl ketone, an analog of arachidonic acid
• Aboriginal traditional knowledge, cultural knowledge of aboriginal peoples
• America's Test Kitchen, a cooking show on PBS
• Arbetstidsförkortning, a system of additional leave entitlement in Sweden
• Atqasuk Edward Burnell Sr. Memorial Airport, Atqasuk, Alaska (IATA Code: ATK)
• Bruton's tyrosine kinase, a protein
• Kiribati Grand Order (Ana Tokabeti Kiribati, post-nominals: ATK)

See also

• Attack (disambiguation)

This disambiguation page lists articles associated with the title ATK.
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