The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Status Quo (98 members)
- Stubs (116 members)
- Subcultures (1 member)
- Syncretic (37 members)
- Syndicalists (25 members)
- Synthesists (0 members)
- TNO Ideologies (1 member)
- Technocratic (13 members)
- Technocrats (1 member)
- Templates (1 member)
- Templates/Infobox (1 member)
- Templates/Navbox (1 member)
- The Church of the Subgenius (1 member)
- Theocracies (25 members)
- Third Position (23 members)
- Third Positionist (0 members)
- Third Positionists (1 member)
- Totalitarian (21 members)
- Touhou (3 members)
- Touhou Project (3 members)
- Traditionalists (0 members)
- Transgender (3 members)
- Transhumanists (48 members)
- Triangles (5 members)
- Tridemist (1 member)
- Truth (1 member)
- Tutorials (1 member)
- Ukrainians (4 members)
- Ultranationalists (46 members)
- Unironic (3 members)
- Unknown Alignment (0 members)
- Urban (1 member)
- Urbists (5 members)
- Userboxes with insufficient color contrast (1 member)
- Users (763 members)
- Values (8 members)
- Videos (24 members)
- Warned pages (3 members)
- Weebs (0 members)
- Welfarists (77 members)
- Western philosophy (1 member)
- White Ideologies (6 members)
- Wiki Users (0 members)
- Wikipedia fully protected templates (15 members)
- Will Be Integrated (1 member)
- Will suicide by reasons (1 member)
- Work in Progress (5 members)
- Youtubers (1 member)
- Zionists (24 members)
- Ásatrúar (3 members)