FLN

The FLN initials may refer to:

Transportation

 * FLN Frisia Luftverkehr, German airline
 * Flint (Amtrak station), in Michigan
 * Flint railway station, in Wales
 * Hercílio Luz International Airport in Florianópolis, Brazil

Other

 * FLn, the faculty of language in the narrow sense, as hypothesised in Chomskyan Universal grammar
 * Family Life Network, American radio network
 * Fine Living Network, American television network
 * FLN football team, defunct Algerian football team
 * Filamin, class of proteins
 * Flintshire (historic), historic county in Wales (Chapman code)
 * Florianópolis Air Force Base, in Brazil
 * Freelancer.com, a crowd-sourcing marketplace
 * National Liberation Front (disambiguation) (French: Front de Libération Nationale; Spanish: Frente de Liberación Nacional)