The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Workers World Party (1 member)
- Working class (2 members)
- Works by Karl Marx (2 members)
- Works by Vladimir Lenin (1 member)
- Works by Yanis Varoufakis (0 members)
- Works for archival (4 members)
- Works in Progress (10 members)
- Works that need touchups (0 members)
- World news (essays) (0 members)
- World wars (2 members)
- Wreckers (2 members)
- Writers (4 members)
- Writing (2 members)
- Xinjiang Region (1 member)
- Yerevan templates (1 member)
- YouTube channels (33 members)
- Young Hegelians (5 members)
- Youth Wing (1 member)
- Zionism (9 members)
- Zionists (3 members)