| Acronym | Definition |
|---|
| ATK➣Attack |
| ATK➣Accessibility Toolkit (GNOME Accessibility Project) |
| ATK➣Above the Knee (medical care) |
| ATK➣America's Test Kitchen (TV Show) |
| ATK➣Alliant Techsystems Inc. (aerospace and defense company) |
| ATK➣All-Terrain Kart (vehicle) |
| ATK➣Amtrak |
| ATK➣AppleTalk (file extension) |
| ATK➣Andrew Toolkit |
| ATK➣Attack Tool Kit |
| ATK➣Andrew Tool Kit |
| ATK➣Accessibility Tool Kit |
| ATK➣Anti Terror Kampf (German: Anti-Terror Fight; martial art) |
| ATK➣Aboriginal Traditional Knowledge |
| ATK➣Akademia Teologii Katolickiej (Polish: Academy of Catholic Theology) |
| ATK➣At The Keyboard |
| ATK➣Automaattinen Tietojenkäsittely (Finnish: Automatic Data Processing) |
| ATK➣All Things Kawaii (personal website) |
| ATK➣Agammaglobulinemia Tyrosine Kinase |
| ATK➣Aviation Turbine Kerosene (petroleum) |
| ATK➣All Things King (band) |
| ATK➣Administrata Tatimore e Kosovës (Kosova Tax Administration) |
| ATK➣Available Tonne Kilometer (aviation calculation) |
| ATK➣AT Kearney, Inc. (consulting firm) |
| ATK➣Aircraft Transport Kit |