The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Achievement images (100 members)
- Achievements (104 members)
- Advisor icons (5 members)
- Agendas (20 members)
- Air combat units (0 members)
- America (4 members)
- Ancient Era (36 members)
- Anti cavalry units (2 members)
- Appeal (1 member)
- Arabia (3 members)
- Artifact resources (3 members)
- Atomic Era (14 members)
- Australia (1 member)
- Aztec (2 members)
- Barbarians (1 member)
- Belief icons (50 members)
- Bonus Resources (5 members)
- Bonus resources (5 members)
- Brazil (2 members)
- Building icons (47 members)
- Buildings (44 members)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Casus Belli (2 members)
- Category:Images used with permission (2 members)
- China (2 members)
- Citation needed (0 members)
- Cities (4 members)
- Citizens (1 member)
- City-States (39 members)
- City-state icons (6 members)
- Civic icons (50 members)
- Civics (51 members)
- Civilian units (13 members)
- Civilization VI (47 members)
- Civilization VI: Gathering Storm (1 member)
- Civilization VI: Rise and Fall (1 member)
- Civilization VI Wiki (25 members)
- Civilization icons (47 members)
- Civilizations (78 members)
- Classical Era (25 members)
- Cleanup (1 member)
- Combat (6 members)
- Combat units (4 members)
- Community (4 members)
- Copyright templates (12 members)
- Cree (1 member)
- Culture (12 members)
- DLC (5 members)
- Diplomacy (1 member)