Wikipedia
ISF
ISF may stand for:
- Idaho Shakespeare Festival, theater company
- Idries Shah Foundation, educational charity
- Île Sans Fil, a community wireless network based in Montreal, Canada
- Importer Security Filing
- Impôt de Solidarité sur la Fortune, a French wealth tax
- Incremental sheet forming
- Information Security Forum, an international information security best practices organization
- Ingenieurs Sans Frontieres (Engineers Without Borders)
- Ink Serialized Format, a vector image file format from Microsoft
- Insaf Student Federation (ISF), it is the largest Center-Left Student organization in the Nation and the official student wing of the Pakistan Tehreek-e-Insaf political party
- Institut für Schweißtechnik und Fügetechnik der RWTH Aachen (Joining and Welding Institute of the RWTH Aachen) in Aachen, Germany
- Internal Security Forces, of Lebanon
- International School of Florence
- International School Sport Federation, sports governing body for high school sport
- International Snowboard Federation
- International Softball Federation
- Internationale Schule Frankfurt Rhein-Main
- Interstitial fluid
- Iraqi security forces
- Lexus IS F
- Italian Strategic Fund