OIF may refer to:
* Ocean
iron fertilization, the intentional introduction of iron to the upper ocean to stimulate a phytoplankton bloom
* Office for Intellectual Freedom, a department
of the American Library Association
*
Operation Iraqi Freedom, the United States' code-name for the Iraq War from 2003 to 2010
*
Optical Internetworking Forum The Optical Internetworking Forum (OIF) is a prominent non-profit consortium that was founded in 1998. It promotes the development and deployment of interoperable computer networking products and services through implementation agreements (IAs) fo ...
, a non-profit industry organization founded in 1998
* ''
Organisation internationale de la Francophonie
The (OIF; sometimes shortened to the Francophonie, french: La Francophonie , but also called International Organisation of in English-language context) is an international organization representing countries and regions where French is a ...
'', an international organization representing Francophonic and Francophilic countries and regions
{{disambiguation
