RDF

RDF may refer to:

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