GEF

GEF or Gef may refer to:


 * Gef, a supposed talking mongoose from the Isle of Man
 * Global Education Futures, a European NGO focused on global transformation of education
 * Global Enrichment Foundation, a Canadian humanitarian organization
 * Global Environment Facility, an intergovernmental environmental organizations
 * Global Equality Fund, of the United States Department of State
 * Green European Foundation, a European political foundation
 * Graphical Editing Framework, a software framework
 * Greek Expeditionary Force (Korea), during the Korean War
 * Greif, Inc., an American manufacturing company
 * Guanine nucleotide exchange factor