ESF

ESF may refer to:

Education

 * Écoles Sans Frontières, a French educational charity
 * Education Without Borders (Spanish organization) (Spanish: Educación Sin Fronteras), a Spanish educational charity
 * Emmanuel Schools Foundation, a British educational charity
 * English Schools Foundation, an organization of twenty two international schools in Hong Kong
 * Esperantic Studies Foundation, a Canadian Esperanto organization
 * European School, Frankfurt am Main, in Germany
 * Evans Scholars Foundation, an American scholarship program
 * State University of New York College of Environmental Science and Forestry, in Syracuse, New York, United States

Science and technology

 * European Science Foundation, a research organization
 * European Studbook Foundation, studbooks of reptiles and amphibians in captivity
 * Electro sinter forging
 * Extended superframe
 * Exatron Stringy Floppy, an 8-bit computer peripheral
 * Explosion Suppressant Foam, used to protect from fire in aircraft wings

Other uses

 * East Sea Fleet, of the Chinese People's Liberation Army Navy
 * Empowering Spirits Foundation, an American LGBT rights organization
 * English Stone Forum, a British conservation organization
 * Entertainment Sports and Fun Camps (ESF), network of day camps
 * Esler Airfield, in Louisiana, United States
 * Estafeta Carga Aérea, a Mexican airline
 * European Services Forum, a lobby group
 * European Social Forum, a conference series
 * European Social Fund of the European Union, currently European Social Fund Plus
 * European Softball Federation
 * European Ski Federation
 * European Squash Federation
 * Exchange Stabilization Fund, of the United States Treasury Department
 * Expeditionary strike group in the United States Navy