| Term | Full Form | Category |
|---|---|---|
| IKN | I Know Nothing | Others |
| IKN | I Know Now | Others |
| IKN | Insure Kids Now | Others |
| IKN | Integraal Kankercentrum Noord | Others |
| IKN | Integrated Kinetic Neurology | Others |
| IKN | Intelligence Knowledge Network | Others |
| IKN | International Kickboxing Network | Others |
| IKN | Internationale Kinderhulp Nederland | Others |
| IKN | Islamsk Kvinnegruppe Norge | Others |