| Abbreviation | Definition |
|---|---|
| CRPC | Covenant Reformed Presbyterian Church |
| CSBC | Cave Spring Baptist Church |
| CSDI | Church Stage Design Ideas |
| CSFC | Colorado Springs Fellowship Church |
| CSHM | Church Street Health Management |
| CSJ | Congregation of Saint Joseph |
| CSMBC | Callie Self Memorial Baptist Church |
| CSMBC | Creech St Michael Baptist Church |
| CSPC | Cedar Springs Presbyterian Church |
| CSPH | Canadian Society of Presbyterian History |
| CSSBI | Church Schoolmasters and Schoolmistresses Benevolent |
| CST | Church of Spiritual Technology |
| CSVF | Church of St Vincent Ferrer |
| CTAH | Churches Together around Hampton |
| CTAL | Churches Together Around Ludlow |
| CTAL | Churches Together In All Lincolnshire |
| CTBB | Churches Together in Broomhill and Broomhall |
| CTBI | Churches Together in Britain and Ireland |
| CTCR | Commission on Theology and Church Relations |
| CTEER | Churches Together in Earley and East Reading |