The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Dictatorships (2 members)
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- Djibouti (1 member)
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- Durruti Column (1 member)
- Earth First! (1 member)
- Earth Liberation Front (1 member)
- East Germany (1 member)
- East Timor (1 member)
- Eastern Africa (13 members)
- Eastern Asia (32 members)
- Eastern Europe (45 members)
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- Economic Crisis (1 member)
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- Egypt (4 members)
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- Empires (2 members)
- England (1 member)
- Enlightenment (1 member)
- Environmentalism (53 members)
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- Episodes (2 members)
- Equatorial Guinea (1 member)
- Eritrea (1 member)
- Estonia (1 member)
- Ethiopia (1 member)
- Europe (151 members)
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- Events (34 members)
- Existentalism (1 member)
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- FAQ (2 members)
- FAU (1 member)
- FBI (2 members)
- Failed States (3 members)
- Failed Uprisings (1 member)
- Fascism (3 members)
- Federations (1 member)
- Feminism (17 members)
- Feminists (16 members)
- Fictional Anarchist Societies (3 members)