| (CRL) | Crown-Rump Length 
| Others |
| CRL | Brussels South Airport, Brussels, Belgium
| Others |
| CRL | C Region Library
| Others |
| CRL | Calcium, Rust, and Lime
| Others |
| CRL | California Regional League
| Others |
| CRL | Cambridge Research Laboratories
| Others |
| CRL | Capital Resource Limit
| Others |
| CRL | Caravelle
| Others |
| CRL | Cell Repository Line
| Others |
| CRL | Cell Respoistory Line
| Others |
| CRL | Center for Research and Learning
| Others |
| CRL | Center for Research in Language
| Others |
| CRL | Center for Research Libraries
| Others |
| CRL | Center for Research on Learning
| Others |
| CRL | Center for Responsible Lending
| Others |
| CRL | Central Records Library
| Others |
| CRL | Central Research Laboratories
| Others |
| CRL | Certificate Revocation List
| Others |
| CRL | Certification Revocation List
| Others |
| CRL | Certification Revocation Lists
| Others |
| CRL | Certified Record Librarian
| Others |
| CRL | Certified Registered Locksmith
| Others |
| CRL | Certified Reliability Leader
| Others |
| CRL | Championship Racing League
| Others |
| CRL | Chancel Repair Liability
| Others |
| CRL | Change Request Line
| Others |
| CRL | Charles River Laboratories
| Others |
| CRL | Chicago Rail Link
| Others |
| CRL | China Resources Logistics
| Others |
| CRL | Cipher Reusable List
| Others |
| CRL | Clash Royale League
| Others |
| CRL | Clinical Reference Laboratory
| Others |
| CRL | Clinical Reference Library
| Others |
| CRL | Clinical Research Laboratories
| Others |
| CRL | Clipping Redux Labs
| Others |
| CRL | Code Replacement Library
| Others |
| CRL | Collaborative Research Laboratory
| Others |
| CRL | Collaborative Robotics Lab
| Others |
| CRL | College and Research Libraries
| Others |
| CRL | Common Representation Language
| Others |
| CRL | Communications Research Laboratory
| Others |
| CRL | Community Reference Laboratory
| Others |
| CRL | Complete Response Letter
| Others |
| CRL | Compound Refractive Lens
| Others |
| CRL | Computational Radiology Laboratory
| Others |
| CRL | Computer Rentals Ltd
| Others |
| CRL | Computer Rentals, LTD.
| Others |
| CRL | Computer Research Laboratory
| Others |
| CRL | Conservation Research Laboratory
| Others |
| CRL | Constant Row Length
| Others |
| CRL | Consulting Radiologists Ltd
| Others |
| CRL | Consumer Retail List
| Others |
| CRL | Contractor Resource List
| Others |
| CRL | Contractors Registration Law
| Others |
| CRL | Control Room Logbook
| Others |
| CRL | Core Reporting Level
| Others |
| CRL | Corel
| Others |
| CRL | Costume Reference Library
| Others |
| CRL | County Road Law
| Others |
| CRL | Create Request List
| Others |
| CRL | Creative Research Laboratory
| Others |
| CRL | Criminal Reference Letter
| Others |
| CRL | Critical Resource List
| Others |
| CRL | Crown rump Length
| Others |
| CRL | Crown to Rump Length
| Others |
| CRL | Crown-Rump Length
| Others |
| CRL | Cycle-Init Reverb Lockout
| Others |