| Acronym | Definition |
|---|
| AIK | Automated Installation Kit (Microsoft) |
| AIK | Automation Installation Kit |
| AIK | Adams International Knifeworks (est. 1987) |
| AIK | As I Know |
| AIK | Associated Industries of Kentucky (est. 1979) |
| AIK | Assistance in Kind (host nation support) |
| AIK | Architectural Institute of Korea (est. 1945; South Korea) |
| AIK | Allmäna Idrottsklubben (Swedish sports club) |
| AIK | American Indoor Karting |
| AIK | American Institute of Kenpo (Tucson, AZ marital arts) |
| AIK | All Insect Killer (insecticide for both crawling and flying insects) |
| AIK | Aircraft Installation Kit(s) |
| AIK | Arachnological Institute of Korea |
| AIK | Afghanistan, Iraq, Kuwait |