| NHO | National Haemovigilance Office
| Others |
| NHO | National Health Observances
| Others |
| NHO | National Home Office
| Others |
| NHO | National Hospice Organization
| Others |
| NHO | National Hospitals Office
| Others |
| NHO | National Housing Organization
| Others |
| NHO | National Hydrographic Office
| Others |
| NHO | Native Hawaiian Organization
| Others |
| NHO | Natural Hybrid Orbital
| Others |
| NHO | Nebraska Hematology Oncology
| Others |
| NHO | Never Heard Of
| Others |
| NHO | New Hell Order
| Others |
| NHO | New Hermit Order
| Others |
| NHO | New Hire Orientation
| Others |
| NHO | New Hunting Order
| Others |
| NHO | No History Of ....
| Others |
| NHO | Nonprofit Healthcare Organization
| Others |
| NHO | Nursing Home Order
| Others |