The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Abilities templates (3 members)
- Absorption Attribute Yo-Kai (44 members)
- All Yokai data (671 members)
- Amphibian Yo-Kai (2 members)
- Animal Yo-Kai (32 members)
- Animals (60 members)
- Anime (114 members)
- Article management templates (1 member)
- Attacker Role Yo-Kai (18 members)
- Attributes (8 members)
- Baku (3 members)
- Bat Yo-Kai (2 members)
- Bear Yo-Kai (3 members)
- Beetle Yo-Kai (5 members)
- Bird Yo-Kai (12 members)
- Boss Yo-Kai (95 members)
- Bread (5 members)
- Bug (14 members)
- Bug Yo-Kai (6 members)
- Bukimi Class (43 members)
- Bull Yo-kai (2 members)
- Burger (1 member)
- Buster command icons (9 members)
- Butterfly Yo-Kai (2 members)
- Candidates for Deletion (1 member)
- Candidates for deletion (0 members)
- Candidates for speedy deletion (0 members)
- Candy (6 members)
- Cat Yo-Kai (37 members)
- Cat Yo-kai (1 member)
- Centipede Yo-Kai (2 members)
- Characters (4 members)
- Characters by Gender (2 members)
- Chinese Food (4 members)
- Cicada Yo-Kai (3 members)
- Clam Yo-Kai (3 members)
- Class icons (10 members)
- Classes (13 members)
- Classic Yo-Kai (28 members)
- Cleanup (0 members)
- Code templates (2 members)
- Combined Yo-Kai (2 members)
- Community (3 members)
- Companies (1 member)
- Consoles (1 member)
- Copyright templates (14 members)
- Daruma Yo-Kai (1 member)
- Devils (2 members)
- Different Color Yo-Kai (1 member)
- Different Colored Yo-Kai (91 members)