The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Abilities (14 members)
- Achievement Badges (40 members)
- Agatsuma Family (4 members)
- Aizetsu Images (26 members)
- Akaza Battles (3 members)
- Akaza Images (203 members)
- Akeno Tsugikuni Images (4 members)
- Akito Ubuyashiki Images (2 members)
- Alive (3 members)
- Amane Ubuyashiki Images (54 members)
- Ancestry Templates (18 members)
- Animage Covers (9 members)
- Animals (5 members)
- Animated GIFs (255 members)
- Anime (24 members)
- Anime Demonstration Templates (12 members)
- Anime Images (17 members)
- Anime Original Characters (5 members)
- Anime Spin-Offs (1 member)
- Animedia Covers (14 members)
- Antagonist Groups (5 members)
- Antagonists (34 members)
- Aoba Hashibira Images (4 members)
- Aoi Kanzaki Images (65 members)
- Art Books (7 members)
- Asakusa Arc (11 members)
- Asakusa Demon Images (3 members)
- BD&DVD (31 members)
- BD&DVD Images (49 members)
- Banners (19 members)
- Battles (33 members)
- Battles and Events Templates (12 members)
- Battles by Character (43 members)
- Birthday Illustrations (58 members)
- Blood-Stench Blade Royale Images (3 members)
- Blood Demon Art Images (51 members)
- Blood Demon Art Templates (20 members)
- Blu-Ray&DVD (0 members)
- Blu-Ray&DVD Images (0 members)
- Bonus Item Images (28 members)
- Bonus Manga Images (8 members)
- Book Images (6 members)
- Books (5 members)
- Bots (3 members)
- Breathing Style Images (107 members)
- Breathing Styles (15 members)
- Breathing Styles Templates (7 members)
- Brothels (4 members)
- Calendar (17 members)
- Candidates for cropping (42 members)