The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Pages with canon issues (21 members)
- Paki-Paki (BZPRPG I) (1 member)
- Paladins (4 members)
- Parakuka (7 members)
- Paths, Roads & Routes (11 members)
- Physical MOCs (5 members)
- Piraka (9 members)
- Pirasian (BZPRPG) (3 members)
- Pirasian (BZPRPG I) (3 members)
- Pirates (19 members)
- Pirates (BZPRPG III) (3 members)
- Planets (BZPRPG) (1 member)
- Planets (Bara Magna (Series)) (1 member)
- Plant Elementals (1 member)
- Plantlife Elementals (2 members)
- Plantlife Elementals (BZPRPG III) (3 members)
- Plantlife Elementals (NBZP) (1 member)
- Plasma Elementals (2 members)
- Plasma Elementals (AMG) (1 member)
- Plasma Elementals (BZPRPG) (1 member)
- Plasma Elementals (BZPRPG III) (4 members)
- Plasma Elementals (NBZP) (1 member)
- Playable Species (Bara Magna (Series)) (3 members)
- Player-created Locales (11 members)
- Player Organisation, Cult, Bandit Armys (BZPRPG III) (2 members)
- Plots (BZPRPG III) (1 member)
- Po-Koro (4 members)
- Po-Koro Guard (6 members)
- Po-Lesterin (2 members)
- Po-Matoran (5 members)
- Po-Toa (5 members)
- Po-Wahi (9 members)
- Po-Wahi (BZPRPG III) (1 member)
- Polzin Family (1 member)
- Ports (3 members)
- Powers (1 member)
- Powers (BZPRPG III) (2 members)
- Projects and Technology (BZPRPG) (4 members)
- Protobot (BZPRPG) (2 members)
- Protobots (BZPRPG) (4 members)
- Protobots (BZPRPG I) (1 member)
- Protodermic (BZPRPG III) (1 member)
- Protodermis Elementals (AMG) (1 member)
- Psionics Elementals (1 member)
- Psionics Elementals (BZPRPG III) (4 members)
- Public Gardens (BZPRPG III) (1 member)
- Quotes (1 member)
- Qweelix (BZPRPG) (1 member)
- Rahi (8 members)
- Rahi (BZPRPG) (1 member)