IDF is a commonly known abbreviation for the Israel Defense Forces.
IDF or idf may also refer to:
Defence forces
- Irish Defence Forces
- Iceland Defense Force, of the US Armed Forces, 1951–2006
- Indian Defence Force, a part-time force, 1917
Organizations
- Israeli Diving Federation
- Interaction Design Foundation
- International Diabetes Federation
- International DOI Foundation, of the digital object identifier
Places
- Idiofa Airport, Idiofa, Democratic Republic of the Congo (IATA airport code)
- Île-de-France, region of France
Other uses
- Intensity-duration-frequency curve, for rainfall
- Intel Developer Forum
- Intermediate Data Format, a file format for electronic design automation
- Intermediate distribution frame, for telecommunications wiring
- AIDC F-CK-1 Ching-kuo, Indigenous Defense Fighter, Taiwanese aircraft
- Inverse Document Frequency, a factor in the tf–idf principle
- Indirect fire (see also Glossary of military abbreviations#I)
See also
- IDF1, a French TV channel
- All pages with titles beginning with IDF
- All pages with titles containing IDF