IFB may refer to: Illinois Farm Bureau Independent Fundamental Baptist, Independent Baptist Christian congregations Institute of Forest Biodiversity, Indian research agency International Freedom Battalion in the Syrian Civil War started in 2011 Interruptible foldback (or interruptible feedback), electronic monitoring in TV and filmmaking Instituto Federal de Brasília (Federal Institute of Brasília), an institute of technology in Brazil Irish Film Board (now Fís Éireann/Screen Ireland), Irish film production agency IFB Home Appliances, India Independent Forward Bloc, a political party in Mauritius Invitation for bid, a formal letter for generating competing proposals