- Coastal Community Church (Port Saint John, Fla)1
- Coastal Oaks Church (Rockport, Tex)1
- Coastlands Consultants1
- Cobb, John B, Jr2
- Cochrane Alliance Church (Cochrane, Alta)1
- Codependency6
- Coffee County Baptist Association (New Brockton, Ala)1
- Coffin, William Sloane, 1924-20061
- Cognition3
- Cognitive dissonance6
- Cognitive psychology1
- Cognitive therapy5
- Coleman, Lyman1
- Collection development (Libraries)1
- Collective impact1
- Collective information1
- Collectivism1
- College Avenue Baptist Church (Normal, Ill)1
- College Church of the Nazarene (Bourbonnais, Ill)1
- College Hill United Methodist Church (Cincinnati, Ohio)1