FNA

FNA may refer to:
 * Algerian National Front (French: Front National Algérien)
 * β-FNA, beta-funaltrexamine, an opioid antagonist
 * Farmers of North America, a Canadian agricultural company
 * Fars News Agency, in Iran
 * Fédération Française Aéronautique, a French aeroclub association
 * "fast, neat, average", the response to which is a shibboleth of the US Air Force academy
 * Ferrell North America, an American propane company
 * Filipino Nurses Association, now the Philippine Nurses Association
 * Fine-needle aspiration
 * Flora of North America, a multivolume botanical work
 * Fondo Nacional de las Artes (National Endowment for the Arts), in Argentina
 * Guatemalan Athletics Federation (Spanish: Federación Nacional de Atletismo de Guatemala)
 * Lungi International Airport, in Sierra Leone
 * Nicaraguan Athletics Federation (Spanish: Federación Nicaragüense de Atletismo)
 * Norlandair, an Icelandic airline
 * a free, open-source reimplementation of the Microsoft XNA Game Studio libraries