OIF

OIF may refer to:

  • Ocean Iron Fertilization, the practice of adding iron or iron compounds to the ocean to stimulate phytoplankton growth
  • Office for Intellectual Freedom of the American Library Association
  • Operation Iraqi Freedom, the initial portion of the Iraq War
  • Optical Internetworking Forum, a communications industry forum
  • Organisation internationale de la Francophonie, an organization of politics and governments of French-speakers