The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Eugenicists (4 members)
- Eugenics (1 member)
- Europe country and territory topics templates (1 member)
- European countries (48 members)
- Exploitation (5 members)
- Extremism (5 members)
- FBI (2 members)
- FOSS (0 members)
- Fact check memes (3 members)
- Far-right groups by country (5 members)
- Far-right groups in Germany (2 members)
- Far-right groups in Japan (1 member)
- Far-right groups in Russia (1 member)
- Far-right groups in Ukraine (3 members)
- Far-right groups in the United States (16 members)
- Far-right political parties (3 members)
- Far-right politics (3 members)
- Fascism (9 members)
- Fascist Parties (2 members)
- Fascist countries (6 members)
- Fascist groups (5 members)
- Fascist philosophers (3 members)
- Fascist political parties (0 members)
- Fascists (21 members)
- Feminism (8 members)
- Feminists (7 members)
- Feudalism (3 members)
- Fictional flags (1 member)
- Film lists (2 members)
- Films (5 members)
- Five-year plans (3 members)
- Flags (2 members)
- Flags of countries (1 member)
- Flags of political parties (1 member)
- Former AES (essays) (0 members)
- Former heads of government (15 members)
- Former heads of state (42 members)
- Former socialist republics (6 members)
- Former socialist states (19 members)
- Formerly fascist countries (7 members)
- Formerly socialist countries (6 members)
- Founding Fathers of the United States (6 members)
- France (1 member)
- Free Peru politicians (1 member)
- Free and open-source software (4 members)
- French philosophers (2 members)
- Friedrich Engels (1 member)
- Furturist movements (2 members)
- Futurism (1 member)
- Futurist movements (0 members)