EFF or eff may refer to:

Politics

  • Economic Freedom Fighters, a South African far-left political party
  • Economic Freedom Fund, an American political organization
  • Election Fighting Fund, a British suffragist organization supporting the early Labour Party
  • Electronic Frontier Foundation, a U.S.-based international digital rights group
  • Evergreen Freedom Foundation, an American political think tank

Sciences

  • Early European Farmers, a group of New Stone Age people

Other uses

  • Eff (duo), a German musical duo
  • Eff (programming language), a functional programming language with focus on algebraic effects
  • Efficiency (basketball), a statistical benchmark
  • Effingham Junction railway station, Surrey, England, a National Rail station code
  • The Electronic Font Foundry, a British computer type foundry
  • Emmett/Furla Films, now Emmett/Furla Oasis Films, an American production company
  • Environmental Film Festival in the Nation's Capital, Washington, D.C., United States
  • Ethiopian Football Federation, the governing body of association football in Ethiopia
  • Extrusion freeform fabrication, a method for fabricating functionally graded material
  • F, a letter of the alphabet
  • A minced oath of the obscenity Fuck

See also

  • F (disambiguation)