MAFF(S) may refer to:

MAFF (gene), a transcription factor Malmö Arab Film Festival, held in Malmö (Sweden), the largest Arabic film festival in Europe Ministry of Agriculture, Fisheries and Food (United Kingdom), a former British government department Ministry of Agriculture, Forestry and Fisheries, Cambodia Ministry of Agriculture, Forestry and Fisheries (Japan) Modular Airborne FireFighting System wildland firefighting system installable on large aircraft Mozilla Archive Format, a web page archiving format provided by Firefox through an extension