LFI may refer to:

Organizations La France Insoumise, a French political party Lycée Français d'Irlande, a French international school in Dublin, Ireland Labour Friends of Israel, a lobby group within the British Labour Party

Other uses La Facción Ingobernable, a Mexican professional wrestling stable Limited Feedback Interaction, a recording technique used primarily in the creation of improvised music Local File Inclusion, a type of vulnerability most often found on websites Logkiy Frontovoi Istrebitel ("Light Frontline Fighter"), a fifth-generation Russian fighter aircraft project LFI, an IATA code for Langley Air Force Base in Virginia

See also