RDF may refer to:
Science and technology
- Radio direction finder, a device used in aircraft for navigation
- Radio direction finding, techniques used when searching for radio sources
- Random dopant fluctuation
- Real degree of fermentation, attenuation of alcoholic beverages
- Reduced dimensions form, a canonical mechanism for solving two-state trajectories
- Refuse-derived fuel
- Resource Description Framework, an official W3C Recommendation for Semantic Web data models
- RDF Schema, the knowledge representation language used in this framework
- Relative directivity factor, a figure of merit for directional receiving antennas
- Radial distribution function, describes how density varies as a function of distance from a reference particle
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
Military
- Reserve Defence Forces, the combined military reserve force of Ireland
- Rwandan Defence Forces
- Rapid Deployment Force (United States)
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