ISF may stand for:

Science and technology

Interstitial fluid In cell biology, extracellular fluid (ECF) denotes all body fluid outside the cells of any multicellular organism. Total body water in healthy adults is about 60% (range 45 to 75%) of total body weight; women and the obese typically have a lower ...

* Imaging Science Foundation *

Incremental sheet forming Incremental sheet forming (or ISF, also known as Single Point Forming) is a sheet metal forming technique where a sheet is formed into the final workpiece by a series of small incremental deformations. However, studies have shown that it can be appl ...

Information Security Forum The Information Security Forum (ISF) is an independent information security body. Primary deliverables The ISF delivers a range of content, activities, and tools. The ISF is a paid membership organisation: all its products and services are inc ...

, an international information security best practices organization * Ingenieurs Sans Frontieres (Engineers Without Borders) *

Ink Serialized Format Ink Serialized Format (ISF) is a Microsoft format to store written ink information. The format is mainly used for mobile devices like Personal digital assistants, tablet computer, tablet PCs and Ultra-Mobile PCs to store data entered with a Stylus ( ...

, a vector image file format from Microsoft *

Israel Science Foundation The Israel Science Foundation (ISF) is a nonprofit organization that provides monetary grants for scientific research in Israel. It is the Israeli analogue of scientific funding bodies in other countries such as the US National Science Foundation o ...

Education

* Idries Shah Foundation, educational charity *

Independent Schools Foundation Academy The Independent Schools Foundation Academy is a non-profit bilingual (Mandarin and English) private independent school in Hong Kong. It is also an IBO World School, and offers the IB Middle Years Programme and Diploma Programme. The campus is ...

, private international school in Hong Kong * Insaf Student Federation, it is the largest Center-Left Student organization in the Nation and the official student wing of the

Pakistan Tehreek-e-Insaf The Pakistan Tehreek-e-Insaf (PTI; ur, , ) is a political party in Pakistan. It was founded in 1996 by Pakistani cricketer-turned-politician Imran Khan, who served as the country's prime minister from 2018 to 2022. The PTI is one of the thre ...

political party *

International School of Florence The International School of Florence (ISF) is one of the oldest international schools in Europe. It is located in Florence, Italy, and was formerly called the American International School of Florence. The ISF is an independent, coeducational, and ...

International School Sport Federation The International School Sport Federation (ISF) is an international sports governing body for school sport. Founded in 1972 with 21 European signatory nations, the federation has been organising international competitions to encourage education ...

, sports governing body for high school sport *

Internationale Schule Frankfurt Rhein-Main The ISF International School Frankfurt Rhein-Main is a private school in Sindlingen, a borough of Frankfurt am Main, Germany. Accredited by the Council of International Schools, the school offers IGCSE, International Baccalaureate and AP examin ...

Sport

International Snowboard Federation The International Snowboarding Federation was a body organised to run snowboarding competition. Following the collapse of the National Association of Professional Snowboarders in 1990, five nations and 120 racers established the International Sn ...

International Softball Federation Map of member states., 400px, right The International Softball Federation (ISF) is the international governing body for the sport of softball with its world headquarters and training centre at Plant City, Florida. The ISF is a non-profit corporat ...

International Skyrunning Federation The International Skyrunning Federation (ISF) is the world governing body for skyrunning. The ISF today counts 41 Member nations. The Federation of Sports at Altitude (FSA) used to be the organization which governed and managed the sports of skyrun ...

, world sports governing body for skyrunning *

International Socca Federation The International Socca Federation (ISF) is an organization which sets up the Socca World Cup. It sets up as a governing body for six-a-side football specifically. History Formation The ISF was formed in late 2017 by leading providers of s ...

, governing body of small-sided-football *

International Sumo Federation The International Sumo Federation (IFS) is the largest international governing body of sport Sumo with over 87 member countries. It was formed in 1992 and is the only Sumo organization recognised by the International Olympic Committee and World An ...

, governing body for

amateur sumo is a form of competitive full-contact wrestling where a ''rikishi'' (wrestler) attempts to force his opponent out of a circular ring (''dohyō'') or into touching the ground with any body part other than the soles of his feet (usually by thr ...

Other

Importer Security Filing The Importer Security Filing (ISF) also referred to as 10+2, is a customs import requirement of the United States Customs and Border Protection (CBP) ; which requires containerized cargo information, for security purposes, to be transmitted to the ...

* Impôt de Solidarité sur la Fortune, a French wealth tax *

International Seafarers' Federation The International Seafarers' Federation (ISF) was a global union federation bringing together trade unions representing sailors. Until the end of World War I, sailors were represented by the International Transport Workers' Federation (ITF), but ...

, former international trade secretariat *

Idaho Shakespeare Festival The Idaho Shakespeare Festival is a regional repertory theatre located in Boise, Idaho, United States. Its performances are presented in the summer months, June to September. It has an arrangement to share its repertory cast with the Great Lake ...

, theater company * Île Sans Fil, a community wireless network based in Montreal, Canada *

Internal Security Forces The Internal Security Forces Directorate ( ar, المديرية العامة لقوى الأمن الداخلي, al-Mudiriyya al-'aamma li-Qiwa al-Amn al-Dakhili; french: Forces de Sécurité Intérieure; abbreviated ISF) is the national police ...

, of Lebanon *

Iraqi security forces The Iraqi Security Forces (ISF) is a term used by the United States Department of Defense (DoD) to describe law enforcement and military forces of the federal government of the Republic of Iraq. During the Iraq War, these entities received trainin ...

Lexus IS F The Lexus IS (XE20) is the second generation of the Lexus IS line of compact executive cars. Sold by Lexus since 2005, the line includes multiple V6 gasoline-powered models, in four-door sedan and two-door coupé convertible body styles. Add ...

Italian Strategic Fund Cassa Depositi e Prestiti Equity (CDP Equity), until 2016 known as Fondo Strategico Italiano (''Italian Strategic Fund'') is an Italian sovereign wealth fund established in 2011. History It has an estimated operating balance of €4 billion. Its ...

{{disambiguation