The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- April anniversaries (2 members)
- Article message templates (3 members)
- Article message templates with missing parameters (4 members)
- Articles marked for deletion (0 members)
- Articles marked for speedy deletion (0 members)
- Articles with hCards (29 members)
- August anniversaries (6 members)
- Australia political party colour templates (6 members)
- Australia rail transport templates (1 member)
- Australian political party names (4 members)
- Australian transport navigational boxes (1 member)
- Balwyn (25 members)
- Balwyn Library (1 member)
- Balwyn North (16 members)
- Bellevue Ward councillors (1 member)
- BoroondaraWiki (32 members)
- BoroondaraWiki policies (3 members)
- Boroondara City Council Elections (4 members)
- Boroondara Council facilities (1 member)
- Boroondara District Roads Board chairmen (2 members)