The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.

• Administration‏‎ (3 members)
• Akane Inui Images‏‎ (6 members)
• Anime‏‎ (10 members)
• Anime Visual Images‏‎ (12 members)
• Article management templates‏‎ (0 members)
• Article stubs‏‎ (329 members)
• Atsushi Mando Images‏‎ (7 members)
• Atsushi Sendo Battles‏‎ (5 members)
• Atsushi Sendo Images‏‎ (88 members)
• Audio CD‏‎ (6 members)
• Audio CD Songs‏‎ (26 members)
• BD&DVD Images‏‎ (14 members)
• BD&DVD Volume 10 Images‏‎ (1 member)
• BD&DVD Volume 11 Images‏‎ (1 member)
• BD&DVD Volume 12 Images‏‎ (1 member)
• BD&DVD Volume 1 Images‏‎ (2 members)
• BD&DVD Volume 2 Images‏‎ (2 members)
• BD&DVD Volume 3 Images‏‎ (2 members)
• BD&DVD Volume 4 Images‏‎ (2 members)
• BD&DVD Volume 5 Images‏‎ (2 members)
• BD&DVD Volume 6 Images‏‎ (2 members)
• BD&DVD Volume 7 Images‏‎ (1 member)
• BD&DVD Volume 8 Images‏‎ (1 member)
• BD&DVD Volume 9 Images‏‎ (1 member)
• BanG! Dream Collaboration Images‏‎ (14 members)
• Battles‏‎ (57 members)
• Battles by Arc‏‎ (7 members)
• Battles by Character‏‎ (38 members)
• Black Dragon‏‎ (12 members)
• Black Dragon Arc Battles‏‎ (6 members)
• Black Dragon Arc Episodes‏‎ (12 members)
• Black Dragons Arc Chapters‏‎ (44 members)
• Blog posts‏‎ (4 members)
• Bloody Halloween Stage Play Images‏‎ (16 members)
• Blu-ray&DVD‏‎ (12 members)
• Boji Images‏‎ (5 members)
• Bonten‏‎ (9 members)
• Bonten Arc Chapters‏‎ (21 members)
• Book Images‏‎ (4 members)
• Books‏‎ (2 members)
• Brahman‏‎ (6 members)
• Brilliant Full Color Edition Volume Covers‏‎ (31 members)
• Browse‏‎ (1 member)
• Candidates for deletion‏‎ (0 members)
• Chapter 100 Images‏‎ (4 members)
• Chapter 101 Images‏‎ (5 members)
• Chapter 102 Images‏‎ (5 members)
• Chapter 103 Images‏‎ (5 members)
• Chapter 104 Images‏‎ (5 members)
• Chapter 105 Images‏‎ (4 members)