The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 1yardofoutingflannel (7 members)
- 2017 Comic Strips (1 member)
- 2017 comic strips (7 members)
- 2018 Comic Strips (19 members)
- 2019 Comic Strips (28 members)
- 2019 Strips (1 member)
- 2020 Comic Strips (13 members)
- 2021 Comic Strips (12 members)
- 2021 Story Arcs (1 member)
- 2021 Strips (1 member)
- Admins Only (1 member)
- Animal (1 member)
- Animals (57 members)
- Antagonists (2 members)
- Apartment Characters (1 member)
- April Fools (2 members)
- Art Galleries (1 member)
- Article stubs (0 members)
- Birds (2 members)
- Blocked Users (7 members)
- Blog posts (52 members)
- Boats (1 member)
- Books (5 members)
- Browse (2 members)
- Buildings (0 members)
- Cafe (1 member)
- Candidates for deletion (0 members)
- Cartoonist (0 members)
- Cat (0 members)
- Cat's Cafe Media (2 members)
- Cat's Cafe Products (3 members)
- Cat's Cafe Wiki Servers (0 members)
- Cat's cafe (0 members)
- Categories With Plots (1 member)
- CatsCafe Wiki (20 members)
- CatsCafe Wiki Staff (10 members)
- Cats Cafe (1 member)
- Character Galleries (1 member)
- Character Relationships (16 members)
- Characters (86 members)
- Characters in Story Arcs (1 member)
- Comedy Strips (0 members)
- Comic Arcs (0 members)
- Comic Strips (87 members)
- Comics (0 members)
- Community (1 member)
- Companies (2 members)
- Creations (2 members)
- Custom Categories (1 member)
- Deceased (1 member)