English abbreviations from crl to cro
- CRL (Brussels South Charleroi Airport)
- C.R.L. (Canonici Regulares Lateranenses ("Canons Regular of the Lateran"))
- CRLCMP (Computer Resources Life Cycle Management Plan)
- CRLF (Carriage Return Line Feeds)
- CRM (Composite risk management (US))
- C.R.M. (Clerici Regulares Minores ("Clerks Regular Minor", Mariani))
- CRMA (Chulachomklao Royal Military Academy (Thailand))
- C.R.M.D. (Clerici Regulares Matris Dei ("Clerks Regular of the Mother of God"))
- C.R.M.I. (Clerici Regulares Ministrantes Infirmis ("Clerks Regular Attendant on the Sick", Camillini, Camilliani))
- CRMP (Coastal Resource Management Project)
- CRMS (Collection Requirements Management System)
- CRMT (Computer Resources Management Team)
- CRN (Certified radiology nurse)
- CRNA (Certified registered nurse anesthetist)
- CRNC (Center for Russian Nature Conservation)
- CRO (Croatia (IOC and FIFA trigram, but not ISO 3166))