The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Audio (1 member)
- Audio (Music) (6 members)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Captains (1 member)
- Citation needed (0 members)
- Cleanup (0 members)
- Community (4 members)
- Copyright templates (12 members)
- Developer (1 member)
- Disambiguations (0 members)
- Documentation templates (3 members)
- Enemies (1 member)
- Episodes (43 members)
- Episodes26 (1 member)
- Formatting templates (22 members)
- Front page sections (4 members)
- Game (3 members)
- Hidden categories (0 members)
- Images (1 member)
- Images needing improvement (0 members)
- Infobox templates (1 member)
- Legal notices (3 members)
- Media (2 members)
- Missions (1 member)
- Museum (1 member)
- Navigation templates (3 members)
- Notice templates (15 members)
- Pages to be merged (0 members)
- Pages to be moved (0 members)
- Pages with broken file links (0 members)
- Premium (0 members)
- Premium ships (1 member)
- Publisher (1 member)
- Ships (51 members)
- Stubs (103 members)
- Submarines (2 members)
- Template documentation (47 members)
- Templates (16 members)
- Templates with bad documentation (0 members)
- Templates with no documentation (0 members)
- Unattributed files (0 members)
- User groups (12 members)
- Vessels (1 member)
- Videos (0 members)
- Warship Battle 3D (11 members)
- Warship Battle 3D Wiki (7 members)
- Weapons (1 member)
- Wiki maintenance (14 members)
- Wiki skin images (5 members)