- C
- CSS3 multiple column layout
- CSS list-style-type values
- CSS list-style-type values/core
- Cat
- Cat main
- Catalog lookup link
- Category TOC
- Category TOC/tracking
- Category contrast
- Category diffuse
- Category handler
- Category link with count
- Category more
- Category other
- Caution
- Cbignore
- Character Box
- Cinderella
- Citation
- Citation needed
- Citation style
- Cite.php
- Cite AV media
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- Clarify
- Class
- Class mask
- Cleanup rewrite
- Clear
- Clear/Documentation
- Cmbox
- Cmbox/doc
- Code
- Collapse bottom
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- Column-width
- Columns-list
- Comma separated entries
- Commons
- Commons category-inline
- Compare pages
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- Credit
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