The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Buildings (2 members)
- Buildings constructed in 1930 (1 member)
- Buildings constructed in 2018 (1 member)
- Buildings in Camberwell (1 member)
- Burke Road Bridge (2 members)
- Burwood (1 member)
- CS1 errors: dates (1 member)
- Camberwell (4 members)
- Camberwell elections (4 members)
- Canterbury (3 members)
- Canterbury Road (2 members)
- Cemeteries (1 member)
- Centre Ward councillors (1 member)
- Chairs of the Boroondara District Road Board (1 member)
- Cinemas and Theatres (1 member)
- Cinemas and theatres (1 member)
- Citation templates (2 members)
- City of Boroondara (6 members)
- City of Boroondara councillors (10 members)
- City of Boroondara mayors (5 members)