| Acronym | Definition |
|---|
| NNHS➣National Nursing Home Survey |
| NNHS➣Newton North High School |
| NNHS➣Naperville North High School (Illinois) |
| NNHS➣Newport News High School |
| NNHS➣National Nutrition and Health Survey (various locations) |
| NNHS➣Northern Nevada Home Schools, Inc. (est. 1984) |