Wikipedia
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