| Abbreviation | Definition |
|---|---|
| CGVD | Canadian Geodetic Vertical Datum (orthometric height reference) |
| CGY | Calgary |
| CGY | Connection Gap Year |
| CHAMP | CHild AMputee Program |
| CHAN | Canada Haiti Action Network |
| CHBA | Canadian Home Builders' Association |
| CHBABC | Canadian Home Builders' Association of British Columbia |
| CHC | Canadian Health Coalition |
| CHEC | Christian Higher Education Canada |
| CHEER | Canadian Health And Environment Education And Research |
| CHEP | Canadian Hypertension Education Program |
| CHES | Centennial Hylands Elementary School |
| CHFT | Canada Hawaii France Telescope |
| CHFT | Canadian Home Fitness Test |
| CHFT | Co-operative Housing Federation of Toronto |
| CHHA | Canadian Hard of Hearing Association |
| CHHC | Canada Hibernia Holding Corporation |
| CHIME | Canadian Hydrogen Intensity Mapping Experiment |
| CHIN | Canadian Heritage Information Network |
| CHIRP | Canadian Hybrid Incubator Resource Platform |