| JCGS | Jackson College of Graduate Studies 
| Others |
| JCGS | Jackson County Genealogical Society Jackson County Genealogical Society
| Others |
| JCGS | Jain Center of Greater Sacramento
| Others |
| JCGS | Jasper Co Genealogical Society
| Others |
| JCGS | Jasper County Genealogical Society
| Others |
| JCGS | Jefferson Classical Guitar Society
| Others |
| JCGS | Jefferson College of Graduate Studies
| Others |
| JCGS | Jefferson County Genealogical Society
| Others |
| JCGS | Johnson County Genealogical Society
| Others |
| JCGS | Journal of Computational and Graphical Statistics
| Others |
| JCGS | Journal of Critical Globalisation Studies
| Others |