NIHS
| Acronym | Definition |
|---|---|
| NIHS | Nestlé Institute of Health Sciences (Lausanne, Switzerland) |
| NIHS | National Institute of Health Sciences, Japan |
| NIHS | Not Invented Here Syndrome |
| NIHS | North Iredell High School (North Carolina) |
| NIHS | National Institute for Hometown Security (Somerset, KY) |
| NIHS | Northern Islands High School (Wotje Atoll) |
| NIHS | National Intercollegiate Horse Show |