| Acronym | Definition |
|---|
| C4C | Cause 4 Concern (recording group) |
| C4C | Communication for Change (Brooklyn, NY) |
| C4C | Care for Creation |
| C4C | Communities for Children |
| C4C | Centre for Creativity (UK) |
| C4C | Click for Click (Tumblr) |
| C4C | Campus for Christ (student ministry) |
| C4C | Citizens for Citizens (Macedonia) |
| C4C | Cuts for Cancer |
| C4C | Check For Change (Firefox add-on; page change detector) |
| C4C | Coaches4Causes (various locations) |
| C4C | Coalition for Change, Inc. (Washington, DC) |
| C4C | Spring Green Center for Creativity and Innovation |
| C4C | Cadet 4th Class |
| C4C | Comment for Comment (Myspace) |
| C4C | Coaching for Character (Play Like a Champion Educational Series; Notre Dame University; South Bend, IN) |