The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Murders (BZPRPG III) (1 member)
- Musicians (13 members)
- Mutan Matoran (BZPRPG) (1 member)
- Mutant Toa/Kikanalo Fusion (The Gate) (1 member)
- Mutant Toa (AMG) (1 member)
- Mutated Toa (AMG) (1 member)
- Mutation/Fusion (BZPRPG) (1 member)
- N/A Elementals (BZPRPG I) (1 member)
- N/A Elementals (ToS) (1 member)
- NA Elementals (AMG) (2 members)
- NA Elementals (A Midnight Grey) (1 member)
- NBZP (22 members)
- NEX (4 members)
- NPC (6 members)
- NPCs (2 members)
- Native Tech (BZPRPG III) (1 member)
- Navigation Templates (0 members)
- Neutral (3 members)
- Neutral Evil (1 member)
- Neutral Good (7 members)
- News Organizations (BZPRPG III) (1 member)
- Night Ride (1 member)
- Night of Infinity (3 members)
- Nitro Frost (6 members)
- Nogan (BZPRPG) (1 member)
- Nogan (BZPRPG I) (1 member)
- Non-BZPRPG Canon (3 members)
- Non-Elementals (75 members)
- Non-Playable Species (Bara Magna (Series)) (1 member)
- Nonbinary Characters (1 member)
- None. See power. Elementals (BZPRPG) (1 member)
- None Characters (BZPRPG) (2 members)
- None Elementals (BZPRPG) (4 members)
- Nui-Jaga (1 member)
- Objects (24 members)
- Objects (BM) (0 members)
- Objects (BZPRPG III) (7 members)
- Objects (Bara Magna) (0 members)
- Objects (NBZP) (1 member)
- Objects (SK) (0 members)
- Oblivion's Embrace (3 members)
- Occupations (1 member)
- Occupations (BZPRPG III) (3 members)
- Officers (17 members)
- Oil (at a toa level) Elementals (BZPIII) (1 member)
- Onu-Koro (7 members)
- Onu-Matoran (11 members)
- Onu-Toa (5 members)
- Onu-Wahi (7 members)
- Operational (BZPRPG III) (1 member)
- Organizations (ACD) (1 member)
- Outposts (BZPRPG) (1 member)
- Outsiders (11 members)
- Pages using duplicate arguments in template calls (1 member)
- Pages with broken file links (70 members)
- 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)