The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 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)