| Abbreviation | Definition |
|---|---|
| CGRS | Capitol Graduate Research Summit |
| CGSC | Catholic Grade School Conference |
| CGSE | Conference on Geotechnical and Structural Engineering |
| CGT | Conf??d??ration g??n??rale du travail |
| CGT | Confédération générale du travail |
| CH | Conference Host |
| CHASA | Confederation of Hunters Associations of |
| CHASA | Confederation of Hunters Associations of South Africa |
| CHC | Capital Hockey Conference |
| CHC | Cerner Health Conference |
| CHC | Connecticut Hockey Conference |
| CHECK | Christian Home Educators Confederation of Kansas |
| CHEP | Conference on High Energy Physics |
| CHEP | Conference on Higher Education Pedagogy |
| CHIU | Comconference Of Heads Of Irish Universities |
| CHIU | Conference Of Heads Of Irish Universities |
| CHSRM | Conference on Health Survey Research Methods |
| CHUDE | Conference of Heads of University Departments of Economics |
| CI | Canadian Institute, the |
| CIAA | Conference on Implementation and Application of Automata |