| Acronym | Definition |
|---|
| HNA | Hessische/Niedersächsische Allgemeine (German newspaper) |
| HNA | Historians of Netherlandish Art (est. 1983) |
| HNA | Honda North America (vehicles) |
| HNA | Hagemeyer North America (Charleston, SC) |
| HNA | Healthcare Networks of America |
| HNA | Health Network America (various locations) |
| HNA | Health Network Architecture |
| HNA | Hereditary Neuralgic Amyotrophy |
| HNA | Hawaii Nurses Association |
| HNA | High North Alliance |
| HNA | Host Nation Agreement |
| HNA | Host-Nation Approval |
| HNA | Hampshire Neighborhood Association (Waldorf, Maryland) |
| HNA | Hospice Nurses Association (now Hospice and Palliative Nurses Association) |
| HNA | High Nickel Alloy |
| HNA | Huntington Neighborhood Association (Waldorf, Maryland) |
| HNA | Morioka, Japan - Hanamaki (Airport Code) |
| HNA | Hitachi Network Architecture |
| HNA | Hyperkeratosis of the Nipple and Areola |
| HNA | Hydrofluoric Acid + Nitric Acid + Acetic Acid |
| HNA | High Apparent Nucleic Acid |
| HNA | Home Network Assistant (software) |