The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Anime Series (1 member)
- Antagonists (20 members)
- Article management templates (5 members)
- Article stubs (8 members)
- Big Four (4 members)
- Blog posts (2 members)
- Candidates for deletion (0 members)
- Candidates for speedy deletion (0 members)
- Category templates (4 members)
- Characters (38 members)
- Characters by Game (3 members)
- Characters by Gender (2 members)
- Characters by Species (2 members)
- Community (6 members)
- Companies (3 members)
- Content (6 members)
- Copyright (0 members)
- Corsione Family (6 members)
- Criminal Organizations (10 members)
- Deadmen (5 members)
- Deceased Character (16 members)
- Design templates (1 member)
- Disambiguations (0 members)
- El-Al Canhel (5 members)
- Female Characters (5 members)
- Final Boss (2 members)
- Forums (6 members)
- Game Mechanic (1 member)
- Gameplay (1 member)
- Games (4 members)
- Gatou Gang (1 member)
- Gazu Family (0 members)
- General wiki templates (33 members)
- Guide (3 members)
- Gungrave: Overdose Bosses (1 member)
- Gungrave: Overdose Characters (17 members)
- Gungrave (2002) Bosses (1 member)
- Gungrave Characters (12 members)
- Gungrave G.O.R.E (3 members)
- Gungrave G.O.R.E. Areas (0 members)
- Gungrave G.O.R.E Areas (7 members)
- Gungrave G.O.R.E Characters (15 members)
- Gungrave GORE screenshots (50 members)
- Gungrave Stages (6 members)
- Gungrave Wiki (4 members)
- Gungrave anime (1 member)
- Help (5 members)
- Help desk (2 members)
- Hidden categories (1 member)
- Image wiki templates (9 members)