The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Video Transcipts of Second Thought (1 member)
- Video Transcripts (6 members)
- Video game publisher (1 member)
- Video games (1 member)
- Vietnamese communists (6 members)
- WWP comrades (0 members)
- WWP members (6 members)
- Waffen-SS foreign volunteers and conscripts (1 member)
- War crimes (2 members)
- War crimes committed by the USA (1 member)
- War criminals (8 members)
- Wars (11 members)
- Wars started by the USA (6 members)
- Weapons of mass destruction (1 member)
- Webinars (1 member)
- Websites (2 members)
- Whistleblowers (1 member)
- White supremacy (1 member)
- Wikis (16 members)
- Worker cooperatives (1 member)
- 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 (9 members)
- Works in Progress (11 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 (6 members)
- Youth Wing (1 member)
- Zionism (9 members)
- Zionist organizations (1 member)
- Zionists (3 members)