| Acronym | Definition |
|---|
| NHO | Næringslivets Hovedorganisasjon (Norwegian: Confederation of Norwegian Enterprise; also seen as CNBI; Oslo) |
| NHO | Never Heard Of |
| NHO | National Hospice Organization |
| NHO | National Health Observance (US DHHS) |
| NHO | National Home Office (various organizations) |
| NHO | New Hermit Order (gaming) |
| NHO | New Hire Orientation |
| NHO | New Housing Opportunities (Lebanon, OH) |
| NHO | New Horizons Orchestra (various locations) |
| NHO | Nature Health Organization |
| NHO | Norwegian Hospitality Association (trade group) |
| NHO | New Horizon Minerals (stock symbol; Australia) |
| NHO | Hydrographic Office Publications (US Navy) |
| NHO | Nigel Harman Online |
| NHO | New Hope for Orphans (Cambodia) |
| NHO | Natural Hybrid Orbital (chemistry) |
| NHO | Nantucket Housing Office (Nantucket, MA) |
| NHO | Navy Hydrographic Office |
| NHO | Next Highest Occupied |
| NHO | Notify House Officer |
| NHO | Native Health Organization (University of Hawai‘i) |