The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- TPA News people (1 member)
- Technofied (2 members)
- Template documentation pages (5 members)
- Templates based on the Infobox Lua module (1 member)
- Templates generating microformats (1 member)
- Templates that add a tracking category (1 member)
- Templates using TemplateData (3 members)
- The Family (5 members)
- The Freedom Coalition (1 member)
- The Freedom Coalition congresspeople (1 member)
- The Freedom Coalition members (1 member)
- The Hamilton Times people (0 members)
- The Redmont Inquirer (2 members)
- The Redmont Inquirer people (2 members)
- The Reveille Times (4 members)
- The Reveille Times people (5 members)
- The party (3 members)
- The party congresspeople (1 member)
- The party members (1 member)
- Third LilDigiVert administration (0 members)
- Tips and Tricks (4 members)
- Tips and tricks (1 member)
- Tour managers (1 member)
- Town council people (1 member)
- Town councillors (1 member)
- Town councilors (3 members)
- Towns (4 members)
- Trades (11 members)
- Trolligarch (1 member)
- Trolligarch generation (7 members)
- Trolligarch wave (5 members)
- Twixted administration (0 members)
- UnityMaster administration (9 members)
- Users (1 member)
- Vernicia (2 members)
- Vice presidents (8 members)
- Walton family (1 member)
- Westray (5 members)
- Westray first administration (1 member)
- WikiProjects (2 members)
- Wikipedia-internal sidebar templates (1 member)
- Wikipedia Portal templates (3 members)
- Wikipedia magic word templates (1 member)
- Wikipedia metatemplates (1 member)
- Wild (1 member)
- Wild Towns (0 members)
- Wild town (1 member)
- Wild town categories (1 member)
- Wild towns (8 members)
- Wild towns by year established (1 member)