DF stands for:

  • DF, the IATA code of the former Spanish airline Air Quantum
  • Df (disk free ), a Unix command that displays the free space of connected disks
  • (DF )-space, a special class of locally convex spaces from the mathematical branch of Functional Analysis

DF is an abbreviation for:

  • Danish People's Party, a right-wing populist Danish party
  • Dark Fleet - a browser MMORPG Game
  • Dark fiber, an open-circuited line of an optical waveguide
  • German version name for a synchronized movie is shown in German
  • German volunteer corps, an important group within the youth movement during the Weimar Republic
  • German Women's Council, a German umbrella organization of women's organizations
  • German Front, a Nazi mass organization in the Saar
  • Difference frequency in radio technology
  • Part of Distrito Federal de México, the administrative unit to which the majority of Mexico City
  • Distrito Federal do Brasil, Brazilian Federal District
  • Ink, colorant-containing mixtures of printing technology
  • Thin format, the name of a format size of bricks according to DIN 105; see brick # formats
  • Dark field illumination method in light microscopy, see dark field microscopy
  • Dwarf Fortress, the Rogue -like simulation, see Slaves to Armok II: Dwarf Fortress
  • Burkina Faso to the ICAO code

DF as a distinguishing mark on license plate:

  • UK: Chester
  • Netherlands: mopeds
  • Norway: Oslo
  • Sweden: Diplomatic Tanzania

Df is an abbreviation for:

  • Degrees of freedom, in physics and statistics, a parameter of a system; see degree of freedom
  • Disambiguation
  • Abbreviation