| Acronym | Definition |
|---|
| IKN➣I Know Now |
| IKN➣Integraal Kankercentrum Noord-Nederland (Dutch: Comprehensive Cancer Center North Netherlands) |
| IKN➣I Know Nothing |
| IKN➣Internationale Kinderhulp Nederland (Dutch: Children International Netherlands) |
| IKN➣Islamsk Kvinnegruppe Norge (Norwegian: Islamic Women's Group Norway; Oslo, Norway) |
| IKN➣I Know Not |
| IKN➣International Kalachakra Network |