CCIR is a four-letter abbreviation that may stand for:
- Campaign for Comprehensive Immigration Reform, a Washington, DC organization for immigrant rights
- California Coalition for Immigration Reform, a California political advocacy group for immigration reduction
- Canadian Centre for Investigative Reporting, produces thoroughly researched reporting in the public interest
- 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
- Commander critical information requirement - a term in the US military