The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Amy Rose (3 members)
- Ancients (2 members)
- Animation templates (2 members)
- Anthropomorphic animals (1 member)
- Antiheroes (10 members)
- Arcade games (5 members)
- Archie (1 member)
- Archie Comics issues (3 members)
- Archie Comics issues written by Michael Gallagher (1 member)
- Archie Comics series (2 members)
- Archie Comics staff (2 members)
- Articles in need of attention (1 member)
- Articles in need of expanding (36 members)
- Articles in need of references (2 members)
- Articles with claims that need better sources (1 member)
- Articles with hatnote templates targeting a nonexistent page (8 members)
- Articles with unsourced claims (27 members)
- Artificial intelligences (2 members)
- Attacks and moves (5 members)
- Babylon Rogues (4 members)
- Babylonians (3 members)
- Badniks (1 member)
- Banner templates (8 members)
- Bats (1 member)
- Bees (1 member)
- Big the Cat (1 member)
- Birds (2 members)
- Black Arms (1 member)
- Books (1 member)
- Bounty hunters (4 members)
- Button Templates (76 members)
- Category namespace templates (1 member)
- Cats (3 members)
- Chameleons (1 member)
- Chaotix (5 members)
- Character-substitution templates (12 members)
- Character templates (10 members)
- Charmy Bee (2 members)
- Citation templates (11 members)
- Cities (1 member)
- Collapse templates (4 members)
- Comic templates (9 members)
- Comics (2 members)
- Compilations (3 members)
- Context-link templates (9 members)
- Continuities (9 members)
- Continuity banners (3 members)
- Conversion templates (1 member)
- Convert by module documentation (1 member)
- Convert errors (0 members)