CDF is a three-letter acronym that may refer to:

Mathematics, science, and computers

  • .cdf (formerly known as "AIA Format"), the ANDI/netCDF scientific data interchange file format
  • Cation diffusion facilitator, transport protein
  • Channel Definition Format, an XML standard
  • Chip Description File, a genomic analysis file format
  • Chlorinated dibenzofuran(s), a.k.a. polychlorinated dibenzofurans
  • Cohen–Daubechies–Feauveau wavelet
  • Collider Detector at Fermilab
  • Comma-delimited format, now referred to as .csv (comma-separated values)
  • Common Data Format, NASA software
  • Composite Document File, a Microsoft compound document file format
  • Compound Document Format, a set of W3C standards on a specific compound document format
  • Computable Document Format, a format for interactive data visualizations
  • Core Damage Frequency, a term used in probabilistic risk assessment for nuclear power plants
  • Cumulative distribution function

Organizations

  • California Department of Forestry and Fire Protection
  • Canal del Fútbol (Chile)
  • Ceylon Defence Force
  • Chief of the Defence Force (disambiguation), position in multiple countries
  • Children's Defense Fund (U.S.)
  • Chinland Defense Force, an insurgent group fighting against the military junta in Chin State, Myanmar
  • Ciskei Defence Force
  • Civil Defence Forces, paramilitary organization in Sierra Leone
  • "Congregation for the Doctrine of the Faith (CDF)": former name of Dicastery for the Doctrine of the Faith (DDF)
  • Constituency Development Fund
  • Cooperative Development Foundation (U.S.)
  • Crypto Developers Forum

Transport

  • Cardiff Central railway station, National Rail station code CDF
  • Cortina Airport, Italy (IATA code CDF)

Other

  • CDF Croisières de France, a cruise ship operator
  • Chesapeake Detention Facility
  • Clostridioides difficile
  • ESA's Concurrent Design Facility at ESTEC
  • Congolese franc, the ISO 4217 code for the currency of the Democratic Republic of Congo
  • Constructive developmental framework for psychological assessment
  • Carlos Diego Ferreira, a Brazilian mixed martial artist