The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- A to Z (348 members)
- Aliens (1 member)
- Animals (8 members)
- Ant (1 member)
- Antagonists (63 members)
- Apprentice (12 members)
- Article management templates (5 members)
- Article stubs (139 members)
- Audio Files (2 members)
- Bears (2 members)
- Beaver (1 member)
- Beetle (1 member)
- Birds (13 members)
- Blog posts (46 members)
- Books (1 member)
- Browse (11 members)
- Bugs (1 member)
- Businesses (12 members)
- CC-BY-SA files (1 member)
- CC-BY files (2 members)
- Cakes (6 members)
- Cancelled Episodes (2 members)
- Candidates for deletion (3 members)
- Candidates for speedy deletion (0 members)
- Candle Holder (3 members)
- Candy (1 member)
- Cast (11 members)
- Cat/Bear/Rabbit (12 members)
- Category templates (3 members)
- Cats (2 members)
- Characters (256 members)
- Characters by Actor (1 member)
- Characters voiced by John DiMaggio (8 members)
- Characters voiced by Tara Strong (3 members)
- Chef (3 members)
- Chowder media (23 members)
- Citations needed (4 members)
- Comics (3 members)
- Community (7 members)
- Competition (1 member)
- Conflicts (3 members)
- Content (13 members)
- Cooking techniques (1 member)
- Copyright (3 members)
- Cows (1 member)
- Creatures (6 members)
- Credits (2 members)
- Crew (8 members)
- Crocodiles (1 member)
- Crossover characters (1 member)