CCIR

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, a forerunner of the ITU-R
 * CCIR 601, 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