| JCL | Jaguar Cars Limited 
| Others |
| JCL | Jakarta Commons Logging
| Others |
| JCL | Japan Credit Leasing
| Others |
| JCL | Jar Class Loader
| Others |
| JCL | Java Class Library
| Others |
| JCL | Java Client Library
| Others |
| JCL | Java Constraint Library
| Others |
| JCL | Java Constraints Library
| Others |
| JCL | Java Control Language
| Others |
| JCL | Jazz Champions League
| Others |
| JCL | Jdevelop Control Library
| Others |
| JCL | JEDI Code Library
| Others |
| JCL | Jeep Cherokee Laredo
| Others |
| JCL | Jeep Cherokee Limited
| Others |
| JCL | Jeep Club du Lyonnais
| Others |
| JCL | Jeep Club Lithuania
| Others |
| JCL | Jensen Cars Limited
| Others |
| JCL | Jewish Community of Louisville
| Others |
| JCL | Jingcheng Lingjun
| Others |
| JCL | Job Cobol Language
| Others |
| JCL | Job Common Language
| Others |
| JCL | Job Control Language
| Others |
| JCL | Job Creating Leftist
| Others |
| JCL | Jobstream Command Logging
| Others |
| JCL | Johnny Come Lately
| Others |
| JCL | Joint Confidence Level
| Others |
| JCL | Journal of Commonwealth Literature
| Others |
| JCL | Jowett Cars Limited
| Others |
| JCL | Juan Carlos Leon
| Others |
| JCL | Julius Caesar Lovers
| Others |
| JCL | Jumbo COBOL Language
| Others |
| JCL | Junior Classical League
| Others |
| JCL | Licenciate in Canon Law
| Others |