The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Politicians (6 members)
- Politics (7 members)
- Positions (3 members)
- Presidents of the Balwyn Progress Association (1 member)
- Primary schools (2 members)
- Proposed roads (1 member)
- Public schools (1 member)
- Public transport in Australia templates (1 member)
- Rail crashes and incidents (1 member)
- Rail transport (1 member)
- Rail transport navigational boxes of Victoria (state) (1 member)
- Redirect (1 member)
- Redirects (13 members)
- Reform movement members (1 member)
- Representation and subdivision reviews (2 members)
- Residents of Balwyn (2 members)
- Residents of Burwood (2 members)
- Residents of Camberwell (1 member)
- Residents of Canterbury (3 members)
- Residents of Deepdene (1 member)
- Residents of Glen Iris (1 member)
- Residents of Hartwell (1 member)
- Residents of Hawthorn (2 members)
- Residents of Kew (1 member)
- Residents of Surrey Hills (2 members)
- Rivers (5 members)
- Road bridges (6 members)
- Secondary schools (1 member)
- Selected anniversaries (37 members)
- September anniversaries (2 members)
- Settlers of Boroondara (1 member)
- Shire of Boroondara (1 member)
- Shire of Boroondara councillors (4 members)
- Shire of Boroondara presidents (1 member)
- Shire of Camberwell and Boroondara councillors (2 members)
- Shire of Camberwell and Boroondara presidents (2 members)
- Solway Ward councillors (1 member)
- South Camberwell Progress Association (1 member)
- South Riding councillors (1 member)
- Sportsgrounds (2 members)
- Staff (2 members)
- Street nav templates (1 member)
- Streets (8 members)
- Streets of Balwyn (4 members)
- Streets of Balwyn North (4 members)
- Stub (0 members)
- Stubs (43 members)
- Studley Ward councillors (1 member)
- Suburb nav templates (4 members)
- Suburbs (13 members)