| Abbreviation | Definition |
|---|---|
| CGHL | Canadian Genealogy and History Links |
| CGIS | Canada Geographic Information System |
| CGIT | Canadian Girls in Training |
| CGJ | Canadian Geotechnical Journal |
| CGJ | Canadian Geriatrics Journal |
| CGLCC | Canadian Gay Lesbian Chamber of Commerce |
| CGMA | Canadian Gospel Music Association |
| CGN | Canadian Gun Nutz |
| CGNS | Canadian Geographical Names Service |
| CGO | Canadian Gay Open |
| CGRA | Canadian Girls Rodeo Association |
| CGRA | Canadian Good Roads Association |
| CGRA | Canadian Grils Rodeo Association |
| CGSA | Canadian Golf Superintendents Association |
| CGSB | Canadian General Standard Board |
| CGSB | Canadian General Standards Board |
| CGSM | Canadian GeoSpace Monitoring |
| CGSN | Canadian Gravity Standardization Network |
| CGSP | Canadian Grain Sampling Program |
| CGT | Canadian General Tower |