NKI
| 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 |