DMF may refer to:
Science and technology Chemistry Dimethylformamide, a common solvent Dimethyl fumarate, a small molecule anti-inflammatory human medicine 2,5-Dimethylfuran, a liquid biofuel
Computing Distribution Media Format, the computer floppy disk format DivX Media Format, the media container format Death Master File, a document listing deaths in the US
Medicine Decay-missing-filled index for assessing dental caries prevalence as well as dental treatment needs among populations Drug Master File, a document in the pharmaceutical industry
Other technology Digital microfluidics, a fluid handling technique Dual-mass flywheel, a rotating mechanical device
Other uses Danish Musicians' Union, a Danish trade union Defensive midfielder, in association football