CCIR is a four-letter abbreviation that may stand for:
*
California Coalition for Immigration Reform, a California political advocacy group for immigration reduction
*
Campaign for Comprehensive Immigration Reform, a Washington, DC organization for immigrant rights
*
Canadian Centre for Investigative Reporting, produces thoroughly researched reporting in the public interest
* Centre for Counseling Innovation and Research (CCIR), at Kish Island, Tehran, Mashhad
*
Comité Consultatif International pour la Radio
The ITU Radiocommunication Sector (ITU-R) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU) and is responsible for radio communications.
Its role is to manage the international radio-frequency ...
, a forerunner of the ITU-R
**
CCIR 601
ITU-R Recommendation BT.601, more commonly known by the abbreviations Rec. 601 or BT.601 (or its former name CCIR 601), is a standard originally issued in 1982 by the Comité consultatif international pour la radio, CCIR (an organizati ...
, the former name of a broadcasting standard promulgated by the CCIR
**
CCIR-tones, a selective calling system used in some radio communications systems in some European countries
**
CCIR-1k and
CCIR-2k, noise weighting standards for audio signals
* Commander's critical information requirement, a term in the US military
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