RDF may refer to:

Science and technology Computing Resource Description Framework, a W3C metadata standard used for graphing RDF Schema, its language

Physics Radial distribution function, describes how density varies as a function of distance from a reference particle Radio direction finding, techniques used when searching for radio sources Random dopant fluctuation Reduced dimensions form, a canonical mechanism for solving two-state trajectories Relative directivity factor, a figure of merit for directional receiving antennas

Other technologies Real degree of fermentation, attenuation of alcoholic beverages Refuse-derived fuel

Art, entertainment, and media Radical Dance Faction, a band from the United Kingdom RDF Media, a television production company Robotech Defense Force, a character group in the US anime television series Robotech Rapid Deployment Force: Global Conflict, a video game

Military Reserve Defence Forces, the combined military reserve force of Ireland Rwandan Defence Forces Rapid Deployment Force (United States)

Other organizations Reichsbund Deutsche Familie, Kampfbund für erbtüchtigen Kinderreichtum, a German Nazi organisation Richard Dawkins Foundation for Reason and Science, UK

Other uses Reality distortion field, a term coined to describe Steve Jobs' charisma