| 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) |