The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Clan Fursic (2 members)
- Clan Herupa (3 members)
- Clan Hogo (4 members)
- Clan Plangori (1 member)
- Clan Roku (1 member)
- Clan Umbraline (6 members)
- Clan Vadiru (1 member)
- Clan Vilda (2 members)
- Clans (1 member)
- Clans (BZPRPG III) (18 members)
- Cold Hunters (BK) (3 members)
- Commonplace (BZPRPG III) (1 member)
- Completed Characters (1 member)
- Crafters (1 member)
- Craftsmen (1 member)
- Crew of the Infernavika (10 members)
- Crews (3 members)
- Criminals (1 member)
- Crystal Elementals (3 members)
- Crystal Elementals (BZPRPG III) (4 members)
- Cultured Gentry (2 members)
- Custom Elementals (BZPRPG I) (1 member)
- Custom Kanohi (1 member)
- Custom Kanohi (BZPRPG III) (1 member)
- Custom Species (1 member)
- Custom Species (BZPRPG I) (1 member)
- Custom Species (NBZP) (2 members)
- Custom Tech (BZPRPG III) (1 member)
- Cyborganic Toa (BZPRPG) (1 member)
- Dark Toa (11 members)
- Dark Toa (BZPRPG III) (1 member)
- Darkness Elementals (A Hollow Cry) (1 member)
- Dasaka (30 members)
- Dasaka (BZPRPG III) (3 members)
- Dashi (2 members)
- Datsue (3 members)
- De-Matoran (1 member)
- De-Toa (12 members)
- Deceased (37 members)
- Deceased (BZPRPG III) (6 members)
- Deceased (Bara Magna (Series)) (1 member)
- Deities (4 members)
- Density Elementals (BZPRPG) (1 member)
- Density Elementals (The Academy) (1 member)
- Destroyed (5 members)
- Detectives (6 members)
- Detectives (BZPRPG III) (1 member)
- Digital Art (5 members)
- Disambiguation (10 members)
- Disambiguation pages (1 member)
- Disambiguations (0 members)
- Disbanded (4 members)
- Diseases (BZPRPG) (1 member)
- Drawings (1 member)
- Earth Elementals (7 members)
- Earth Elementals (ACD) (1 member)
- Earth Elementals (BZPRPG) (1 member)
- Earth Elementals (BZPRPG III) (8 members)
- Earth Elementals (NBZPRPG) (1 member)
- Earth Elementals (The Gate) (1 member)
- Electricity, Plasma and Sonics Elementals (BZPRPG) (1 member)
- Electricity/Lightning Elementals (Bionicle Kingdoms I-IV) (1 member)
- Electricity Elementals (BZPRPG) (1 member)
- Electricity Elementals (BZPRPG I) (2 members)
- Elemental (BZPRPG I) (1 member)
- Elementals (BZPRPG) (2 members)
- Elements (10 members)
- Elements (BZPRPG I) (1 member)
- Elements (BZPRPG III) (13 members)
- Equipments (BZPRPG III) (1 member)
- Events (25 members)
- Events (Arc I) (0 members)
- Events (Arc II) (0 members)
- Events (Arc III) (0 members)
- Events (BZPRPG) (1 member)
- Events (BZPRPG III) (6 members)
- Events (Bara Magna (Series)) (1 member)
- Events (Ghosts of Bara Magna) (0 members)
- Events (NBZP) (1 member)
- Events (New BZPRPG) (1 member)
- Events (SK) (2 members)
- Events (SKA) (0 members)
- Events (SKE) (0 members)
- Events (SKR) (1 member)
- Evil (30 members)
- Evil (BZPRPG III) (1 member)
- Example Pages (3 members)
- Extinct Species (Bara Magna (Series)) (1 member)
- Fa-Matoran (1 member)
- Fa-Skakdi (1 member)
- Fa-Toa (7 members)
- Factions (20 members)
- Factions (ACD) (1 member)
- Factions (AMG) (2 members)
- Factions (BZPRPG) (21 members)
- Factions (BZPRPG I) (2 members)
- Factions (The Gate) (2 members)
- Families (1 member)
- Families (BZPRPG III) (1 member)
- Fe-Lesterin (1 member)