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