The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.

• Wikimedia User Group of Aotearoa New Zealand (6 members)
• Wikimedia projects (4 members)
• Wikimedian in Residence (15 members)
• Wikipedia (2 members)
• Wikipedia 25 (1 member)
• Wikipedia Asian Month (1 member)
• Wikipedia Day (8 members)
• Wikipedia and/as Data (1 member)
• Wikipedia scripts (1 member)
• Wikisource (1 member)
• Willunga National Trust (1 member)
• Women's Art Register (5 members)
• WomenInSTEMM (2 members)
• Women Write Wiki (1 member)
• Women in Religion (4 members)
• Womens Art Register (8 members)
• Workshops (1 member)
• Yearly requirements (1 member)
• Years (19 members)