| HNA | Holistic Networkers' Association | 整体网络协会 |
| HNA | Hazen's Notch Association | Hazen的缺口协会 |
| HNA | Hawaii Nurses Association | 夏威夷护士协会 |
| HNA | Morioka, Japan - Hanamaki (Airport Code) | 日本盛冈-花城（机场代码） |
| HNA | Hampshire Neighborhood Association (Waldorf, Maryland) | 汉普郡邻里协会（马里兰州沃尔多夫） |
| HNA | Hospice Nurses Association (now Hospice and Palliative Nurses Association) | 临终关怀护士协会（现为临终关怀和姑息护士协会） |
| HNA | Huntington Neighborhood Association (Waldorf, Maryland) | 亨廷顿社区协会（马里兰州沃尔多夫） |
| HNA | Heartland Nannies Agency | Heartland保姆机构 |
| HNA | Hot News Alert | 热门新闻警报 |
| HNA | Heritage Neighborhood Home | 传统邻里之家 |
| HNA | Heure Normale de l'Atlantique (Atlantic Standard Time) | Normale Heure de fixation 'Atlantique(大西洋标准时间) |
| HNA | Honda North America, Inc. | 本田北美公司。 |
| HNA | Howard N. Apsan, Adjunct Professor of Public Affairs | Howard N.Apsan，公共事务副教授 |
| HNA | Hmong Nationality Archives | 苗族档案馆 |
| HNA | Host Network Address | 主机网络地址 |
| HNA | Healthcare Networks of America | 美国医疗保健网络 |
| HNA | Host Nation Agreement | 东道国协议 |
| HNA | Hitachi Network Architecture | 日立网络架构 |
| HNA | High North Alliance | 高北联盟 |
| HNA | High Apparent Nucleic Acid | 高表观核酸 |
| HNA | Hellenic Naval Academy | 希腊海军学院 |
| HNA | heparin-neutralizing activity | 肝素中和活性 |
| HNA | Hockey North America | 曲棍球北美 |
| HNA | Haiku North America | Haiku北美 |
| HNA | Morioka, Japan | 日本盛冈 |
| HNA | Host-Nation Approval | 东道国批准 |
| HNA | Hereditary Neuralgic Amyotrophy | 遗传性神经性肌萎缩 |
| HNA | Health Network Architecture | 健康网络架构 |
| HNA | Hyperkeratosis of the Nipple and Areola | 乳头和Areola角化过度 |