The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- A Dark Tower Novel (1 member)
- Actors (17 members)
- Actress (1 member)
- Antagonists (50 members)
- Arthur Eld's Knights (2 members)
- Artifact images (78 members)
- Artifacts (99 members)
- Artists (11 members)
- Baronies (12 members)
- Battles (8 members)
- Beastiary (2 members)
- Bernie Wrightson (10 members)
- Bestiary (61 members)
- Bestiary images (20 members)
- Black House (2 members)
- Blog posts (62 members)
- Book Covers (88 members)
- Breaker (3 members)
- Browse (19 members)
- Buildings (37 members)
- Calla (7 members)
- Candidates for deletion (2 members)
- Categories (62 members)
- Chapter Summary (78 members)
- Character images (154 members)
- Characters (2 members)
- Characters by Location (11 members)
- Cities (47 members)
- Comic Covers (124 members)
- Comics (26 members)
- Constellations (1 member)
- Crew (1 member)
- Crimson King (1 member)
- Cyborg (3 members)
- Cyborgs (2 members)
- Dark Tower Mythology (18 members)
- Darrel Anderson (2 members)
- Deities (16 members)
- Deletion templates (1 member)
- Dialects (23 members)
- Directors (4 members)
- Discordia Items (6 members)
- Doors and Keys (37 members)
- End-World Locations (20 members)
- Events (31 members)
- Evil Ground (2 members)
- Factions (61 members)
- Fair Use (29 members)
- Floral and Fauna (9 members)
- Food and Beverages (8 members)