MAFF may refer to:
- Malmö Arab Film Festival, held in Malmö (Sweden), the largest Arabic film festival in Europe
- MAFF (gene), a transcription factor
- Ministry of Agriculture, Fisheries and Food (United Kingdom), a former department of UK government
- Ministry of Agriculture, Forestry and Fisheries, Cambodia
- Ministry of Agriculture, Forestry and Fisheries (Japan)
- Mozilla Archive Format, a web page archiving format provided by Firefox through an extension
MafF is one of the small Maf proteins, which are basic region and basic leucine zipper (bZIP)-type transcription factors. The HUGO Gene Nomenclature Committee-approved gene name of MAFF is “v-maf avian musculoaponeurotic fibrosarcoma oncogene homolog F”.