IDF (disambiguation)

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)