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