| NHS | N Hydroxysuccinimido Sigma 
| Others |
| NHS | Nance Horan Syndrome
| Others |
| NHS | National Health Scheme
| Others |
| NHS | National Health Service
| Others |
| NHS | National Health Service (Great Britain)
| Others |
| NHS | National Health Service (U.K.)
| Others |
| NHS | National Health Service Executive (abolished 2002)
| Others |
| NHS | National Health Survey
| Others |
| NHS | National Health System
| Others |
| NHS | National High School
| Others |
| NHS | National Highway System
| Others |
| NHS | National Historic Site
| Others |
| NHS | National Holiday Service
| Others |
| NHS | National Honor Society
| Others |
| NHS | National Honors Society
| Others |
| NHS | National Horse Show
| Others |
| NHS | National Hospice Study
| Others |
| NHS | National Hotel Service
| Others |
| NHS | Navarre High School
| Others |
| NHS | Nebraska Humane Society
| Others |
| NHS | Nederland High School
| Others |
| NHS | Neighborhood Housing Services
| Others |
| NHS | Net Help Service
| Others |
| NHS | Neverland High School
| Others |
| NHS | New Hotel Scam
| Others |
| NHS | Newington High School
| Others |
| NHS | Newport High School
| Others |
| NHS | Newtown High School
| Others |
| NHS | Next Hop Server
| Others |
| NHS | NHS Professionals
| Others |
| NHS | NHS Supplies
| Others |
| NHS | NHS Training Division
| Others |
| NHS | Nice Homely Surroundings
| Others |
| NHS | Niels Husted and Son
| Others |
| NHS | Nightmare Health Service
| Others |
| NHS | Nimitz High School
| Others |
| NHS | No Humans Saved
| Others |
| NHS | Non highway service
| Others |
| NHS | Non-Hospital Surgery
| Others |
| NHS | Normal Healthy Subject
| Others |
| NHS | Normal Human Skin
| Others |
| NHS | North High School
| Others |
| NHS | Northeast High School
| Others |
| NHS | Northern Hospital Service
| Others |
| NHS | Northville High School
| Others |
| NHS | Norwell High School
| Others |
| NHS | Not for Highway Service
| Others |
| NHS | Not Highway Service
| Others |
| NHS | Notional Health Service
| Others |
| NHS | Nurses' Health Study
| Others |
| NHS | Nut Hugger Syndrome
| Others |
| NHS | United Kingdom National Health Service
| Medical, Organization |