The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Yukari Higa (3 members)
- Yukiru Sugisaki (2 members)
- Yukon in fiction (1 member)
- Yumeta Company (3 members)
- Yun Kōga (7 members)
- Yuri (genre) (3 members)
- Yuri (genre) adapted into films (1 member)
- Yuri (genre) anime and manga (32 members)
- Yuri (genre) light novels (4 members)
- Yuri (genre) video games (4 members)
- Yuri on Ice (1 member)
- YuruYuri character redirects to lists (0 members)
- Yuu Watase (4 members)
- Yuyushiki character redirects to lists (0 members)
- Yōkai in anime and manga (25 members)
- Yōkai in popular culture (3 members)
- Yū Koyama (1 member)
- ZDF original programming (3 members)
- ZX Spectrum games (3 members)
- Zatch Bell! character redirects to lists (0 members)
- Zero-G (studio) (2 members)
- Zeus (2 members)
- Zexcs (4 members)
- Zhejiang in fiction (1 member)
- Zhou dynasty in fiction (1 member)
- Zimbabwean cartoonists (2 members)
- Zimbabwean illustrators (0 members)
- Zodiac Killer (1 member)
- Zombie Land Saga character redirects to lists (0 members)
- Zombie comedy films (1 member)
- Zombie web series (1 member)
- Zombies in anime and manga (5 members)
- Zombies in comics (12 members)
- Zombies in television (2 members)
- Zoophilia in culture (1 member)
- Zorro (1 member)
- Zoë Mode games (3 members)
- Zuda Comics titles (1 member)
- Ánima Estudios (0 members)
- Ánima Estudios films (1 member)
- École Nationale des Chartes alumni (1 member)
- École Normale Supérieure alumni (1 member)
- École des Beaux-Arts alumni (3 members)
- École des beaux-arts de Montréal alumni (1 member)
- École nationale supérieure des arts décoratifs alumni (2 members)
- Éditions Gallimard books (1 member)
- Étranges Libellules games (2 members)
- Île-de-France in fiction (1 member)
- Ōita Prefecture in fiction (1 member)
- Świętokrzyskie Voivodeship in fiction (1 member)