| Abbreviation | Definition |
|---|---|
| CHEW | Culinary History Enthusiasts of Wisconsin |
| CHF | China History Forum |
| CHG | California Historical Group |
| CHHT | Church History and Historical Theology |
| CHI | China History Info |
| CHIR | Criminal History Information Record |
| CHLG | Corpus of Historical Low German |
| CHMC | Commission on the History of Modern Chemistry |
| CHN | Climate History Network |
| CHNM | Center for History and New Media |
| CHOC | Cambridge History Of China |
| CHOMI | Centre for the History of Medicine in Ireland |
| CHOTE | Cable Historical Operating Temperature Estimator |
| CHPI | Cultural Heritage Preservation Institute |
| CHPP | Center for History Politics and Policy |
| CHPT | Columbus Historical Preservation Trust |
| CHRC | Catholic Historical Research Center |
| CHRC | Church History and Religious Culture |
| CHRC | Criminal History Record Check |
| CHRC | Criminal History Record Checks |