The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Urban design (1 member)
- Userboxes with insufficient color contrast (6 members)
- Utopian socialism (7 members)
- Utopian socialists (4 members)
- Value (4 members)
- Venezuela (1 member)
- Venezuelan revolutionaries (3 members)
- Venezuelans of Colombian descent (1 member)
- Vice Presidents of the United States (4 members)
- Victims of assassination (12 members)
- Video Transcipts of Second Thought (1 member)
- Video Transcripts (6 members)
- Video game publisher (1 member)
- Video games (1 member)
- Vietnamese communists (5 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)