| Acronym | Definition |
|---|
| NKI➣Nederlands Kanker Instituut (Dutch: Netherlands Cancer Institute) |
| NKI➣Nathan Kline Institute (for Psychiatric Research; Orangeburg, NY) |
| NKI➣Nash Kelvinator International (automobile) |
| NKI➣National Karate Institute (Moorestown, NJ) |
| NKI➣Nursing Knowledge International (Indianapolis, IN) |
| NKI➣Norsk Kunnskaps Institutt (Norwegian Knowledge Institute) |
| NKI➣No Known Injury |