DFP may stand for: Data Facility Product, an IBM program product for MVS, and later a component of Data Facility Storage Management Subsystem for MVS Davidon-Fletcher-Powell formula in mathematical optimization Decimal floating point Defensive fighting position, a military term Department of Finance and Personnel VESA Digital Flat Panel Diisopropylfluorophosphate Doriot, Flandrin & Parant, a French car manufacturer. Dysfunctional Family Picnic, a series of US rock concerts DoubleClick for Publishers, merged into Google Ad Manager