The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
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- Mutual Aid (1 member)
- Mutualism (4 members)
- Myanmar (2 members)
- Nazi Germany (3 members)
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- Neo-Zapatismo (1 member)
- Neoliberalism (2 members)
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- Nigeria (3 members)
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- Northern Africa (16 members)
- Northern Asia (24 members)
- Northern Europe (36 members)
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- Nuclear Weapons (2 members)
- Occupations (1 member)
- Occupy Movement (1 member)
- Oceania (42 members)
- Oman (2 members)
- Open-Source (1 member)
- Organised Crime (1 member)
- Organizations (22 members)
- Ottoman Empire (1 member)
- Pacifisim (1 member)
- Pacifism (2 members)
- Pages using reflist with unknown parameters (9 members)
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- Pakistan (2 members)
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- Paris Commune (2 members)
- Past Anarchist Societies (18 members)
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- Peace Movement (1 member)