FNA may refer to:

• Algerian National Front (French: {{lang|fr|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
• 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: {{lang|es|Federación Nacional de Atletismo de Guatemala}})
• Lungi International Airport, in Sierra Leone
• Nicaraguan Athletics Federation (Spanish: {{lang|es|Federación Nicaragüense de Atletismo}})
• Norlandair, an Icelandic airline

• Claudia of Valois
• Claudia Ortiz de Zevallos
• Claudia Palacios
• Claudia Pastorino
• Claudia Pechstein
• Claudia Poll
• Claudia poll
• Claudia Poll Ahrens
• Claudia Pulchra
• Claudia Pérez
• Claudia Rosett
• Claudia Roth
• Claudia Rufina
• Claudia Salinger
• Claudia Schiffer
• Claudia Severa
• Claudia (The Vampire Chronicles)
• Claudia Weill
• Claudia Wells
• Claudia Winkleman
• Claudication
• Claudie Andre-Deshay
• Claudie Andre-Deshays
• Claudie Haignere
• Claudie Haigneré