'''JF''' may refer to:
'''Brands''': * JF Duck, an aircraft * Mazda JF engine, a piston engine * JetFlash, a line of flash drives made by Transcend
'''Businesses and organizations''': * Japan Foundation * Jardine Fleming, Hong Kong-based investment bank * ''Javnaðarflokkurin'', the Social Democratic Party of the Faroe Islands * TUI fly Belgium, a Belgian airline formerly known as Jetairfly * Jet Asia Airways, a Thai airline (IATA code JF) * L.A.B. Flying Service, an American airline (1956-2008, IATA code JF)
'''Cities''' * Juiz de Fora, a municipality of Minas Gerais, Brazil which goes by this nickname {{disambiguation}}