The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Albums (55 members)
- Animanga characters (15 members)
- Blog posts (0 members)
- Books (77 members)
- Browse (7 members)
- Buildings (12 members)
- Candidates for deletion (0 members)
- Characters (293 members)
- Comics characters (272 members)
- DC Comics (96 members)
- Disambiguations (0 members)
- Encantadia (9 members)
- Episodes (2 members)
- Events (2 members)
- Films (126 members)
- G.I. Joe (12 members)
- Games (19 members)
- Hallmark (9 members)
- Help (0 members)
- Images (2 members)
- Items (2 members)
- Judge Dredd (20 members)
- Locations (2 members)
- Marvel Comics (120 members)
- Musical artists (101 members)
- Pages using Timeline (9 members)
- Quests (2 members)
- Songs (74 members)
- Television (63 members)
- Template documentation (37 members)
- Templates (39 members)
- Templates/Infobox (18 members)
- Templates/Navbox (1 member)
- Templates/Quote (1 member)
- Thomas & Friends (15 members)
- Tolkien (33 members)
- Transformers (73 members)
- Video games (69 members)