| FNA | Flexible Networking Architecture | 灵活的网络结构 |
| FNA | Free Network Address | 空闲网络地址 |
| FNA | Florida Narcolepsy Association | 佛罗里达嗜睡症协会 |
| FNA | Florida Nurses Association | 佛罗里达护士协会 |
| FNA | Food and Nutrition Association | 食品与营养协会 |
| FNA | Fairbanks Native Association (Fairbanks, AK) | 费尔班克斯土著协会（阿肯色州费尔班克斯） |
| FNA | Fine Needle Aspiration - a type of biposy using a thin needle (or FNAB) | 细针抽吸-一种使用细针（或FNAB）的双同步器 |
| FNA | Freetown, Serra Leone | 塞拉里昂弗里敦 |
| FNA | Financial Need Analysis | 财务需求分析 |
| FNA | Full Nutrition Assessment | 全面营养评估 |
| FNA | Fast Neighbor Advertisement | 快速邻居广告 |
| FNA | FederaciÓn Nacional de Atletismo (Guatemala) | FederaciÓn Nacional de Atletismo (Guatemala) |
| FNA | Ferrari North America | 法拉利北美 |
| FNA | Fachnormenausschuß (any German DIN standard, in particular DIN 3380) | Fachnormenausschuß (any German DIN standard, in particular DIN 3380) |
| FNA | Functional Needs Assessment | 功能需求评估 |
| FNA | Functional Network Architecture | 功能网络架构 |
| FNA | Functional Needs Analysis | 功能需求分析 |
| FNA | Flora of North America | 北美植物志 |
| FNA | Fine Needle Aspiration | 细针抽吸 |
| FNA | Fine-Needle Aspiration (medical) | 细针抽吸（医疗） |
| FNA | Fujitsu Network Architecture | 富士通网络架构 |
| FNA | Freetown, Sierra Leone (Lungi Airport) | 塞拉利昂弗里敦（隆吉机场） |
| FNA | Final Network Acceptance | 最终网络验收 |
| FNA | Flashback News Agency | 闪回新闻社 |
| FNA | FÉdÉration du NÉgoce Agricole (French) | FÉdÉration du NÉgoce Agricole (French) |
| FNA | For Necessary Action | 用于必要的操作 |
| FNA | FÉdÉration Nationale AÉronautique (Française) | FÉdÉration Nationale AÉronautique (Française) |
| FNA | File Name/Attribute Augmentation Facility | 档案名称/属性扩增设施 |