- civil disobedience
- civil liberties
- civil religion
- civil rights
- civil society
- civilizing process
- clan
- class
- class awareness
- class consciousness
- class culture
- class dealignment
- class imagery
- class interest
- class situation
- class, housing
- classical conditioning
- classical criminology
- classical economic theory
- classical school of scientific management
- classification
- classification (clustering)
- classroom interaction
- clergy
- clientelism
- clinical depression
- clinical sociology
- closed groups and open groups
- closed response
- closed shop
