The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- YuYu Hakusho (0 members)
- YuYu Hakusho games (1 member)
- Yugoslav animation (1 member)
- Yugoslav animators (1 member)
- Yugoslav architects (1 member)
- Yugoslav cartoonists (2 members)
- Yugoslav comics titles (3 members)
- Yugoslav emgirants to South Africa (1 member)
- Yugoslav emigrants to Canada (1 member)
- Yugoslav emigrants to France (1 member)
- Yugoslav film directors (1 member)
- Yugoslav painters (1 member)
- Yugoslav rock guitarists (1 member)
- Yukari Higa (6 members)
- Yukiru Sugisaki (6 members)
- Yun Kōga (2 members)
- Yuri (genre) (4 members)
- Yuri (genre) adapted into films (1 member)
- Yuri (genre) anime and manga (14 members)
- Yuri (genre) light novels (2 members)
- Yutaka games (1 member)
- Yuu Watase (13 members)
- Yōkai in anime and manga (12 members)
- Yōkai in popular culture (4 members)
- Yū Koyama (4 members)
- ZDF original programming (1 member)
- ZX Spectrum games (3 members)
- Zaman (newspaper) people (2 members)
- Zero-G (studio) (1 member)
- Zeus (1 member)
- Zexcs (2 members)
- Zinc sculptures (1 member)
- Zines (4 members)
- Zipporah (3 members)
- Zodiac Killer (1 member)
- Zombies in anime and manga (6 members)
- Zombies in comics (5 members)
- Zombies in television (1 member)
- Zorro (1 member)
- Zorro television series (2 members)
- Zoë Mode games (3 members)
- Zoë Records artists (1 member)
- École Nationale des Chartes alumni (2 members)
- École Normale Supérieure alumni (1 member)
- École Spéciale d'Architecture alumni (1 member)
- École des Beaux-Arts alumni (12 members)
- École des beaux-arts de Montréal alumni (3 members)
- École nationale supérieure des arts décoratifs alumni (7 members)
- Świętokrzyskie Voivodeship in fiction (1 member)
- Μ's members (1 member)