The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Article management templates (4 members)
- Article stubs (0 members)
- BlogListingPage (0 members)
- Blog posts (0 members)
- Browse (4 members)
- Candidates for deletion (0 members)
- Candidates for speedy deletion (0 members)
- Category templates (3 members)
- Charleston Squadron (5 members)
- City Class (3 members)
- Community (6 members)
- Content (1 member)
- Copyright (0 members)
- Disambiguations (0 members)
- Files (2 members)
- Forums (6 members)
- General wiki templates (31 members)
- Help (5 members)
- Help desk (2 members)
- Hidden categories (2 members)
- Image wiki templates (9 members)
- Images (4 members)
- Infobox templates (9 members)
- James River Flotilla (3 members)
- James River Squadron (6 members)
- Mississippi River Fleet (3 members)
- Mississippi River Squadron (1 member)
- Mobile Squadron (6 members)
- Monitor (9 members)
- New Orleans Defense Flotilla (5 members)
- New pages (0 members)
- Organisation (0 members)
- Organization (9 members)
- Pages proposed for deletion (0 members)
- Pages with broken file links (0 members)
- Policy (2 members)
- Richmond Class (7 members)
- River Defense Fleet (9 members)
- Savannah Squadron (4 members)
- Ships (61 members)
- Site administration (4 members)
- Site maintenance (5 members)
- Submarine (2 members)
- Template documentation (59 members)
- Templates (11 members)
- Videos (0 members)
- Watercooler (2 members)
- West Gulf Blockading Squadron (1 member)
- Western Gunboat Flotilla (4 members)
- Wilmington Squadron (3 members)