NKU
| Acronym | Definition |
|---|---|
| NKU | Northern Kentucky University (Highland Heights, KY, USA) |
| NKU | Najvyššieho Kontrolného Úradu |
| NKU | Nutzen-Kosten Untersuchung (German: Cost-Benefit Analysis; economics) |
| NKU | Nicole Kidman United (fan website) |
| NKU | Nordisk Kennel Union (Norwegian: Nordic Kennel Union; Norway) |
| NKU | Norrbottens Kooperativa Utvecklingscentrum (Swedish: Norbort Cooperative Development) |