The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Ga-wahi (1 member)
- Gafna (AMG) (1 member)
- Genetically Developed Shadow Matoran (Bionicle Kingdoms IV) (1 member)
- Geography (2 members)
- Getting Started (1 member)
- Ghosts of Bara Magna (2 members)
- Glatorian (Bara Magna (Series)) (6 members)
- Good (7 members)
- Gravity Elemental (1 member)
- Gravity Elementals (5 members)
- Gravity Elementals (BZPRPG) (2 members)
- Gravity Elementals (BZPRPG III) (2 members)
- Gravity Trio (4 members)
- Greased Lightning (3 members)
- Group of adventurerss (BZPRPG) (1 member)
- Groups (41 members)
- Groups (BZPRPG) (1 member)
- Groups (BZPRPG III) (39 members)
- Groups (Bara Magna (Series)) (11 members)
- Groups (NBZP) (1 member)
- Groups (SK) (0 members)
- Guard (23 members)
- He is capable of using any element but only with a small amount of power. He is physically strong, capable of breaking stone with his fists. Elementals (BZPRPG I) (1 member)
- Healers (11 members)
- High Priority Edits (42 members)
- Hollowed One (A Midnight Grey) (1 member)
- Hospital (1 member)
- Houses (10 members)
- Hungry Hungry Games (1 member)
- Hunters (9 members)
- Hybrid (Steelhead) (The Gate) (1 member)
- Hybrid (The Gate) (1 member)
- Hybrids (The Gate) (4 members)
- Hydraxon's species (AMG) (1 member)
- Ice Elementals (5 members)
- Ice Elementals (BZPRPG) (3 members)
- Ice Elementals (BZPRPG I) (2 members)
- Ice Elementals (BZPRPG III) (7 members)
- Ice Elementals (NBZP) (1 member)
- Ice Elementals (NBZPRPG) (1 member)
- Ice Elementals (The Gate) (1 member)
- Ice Tribe (1 member)
- Ice and Pestilence Elementals (BZPRPG) (1 member)
- Iconography (1 member)
- Image Remakes (2 members)
- Images (8 members)
- Imperial Family (2 members)
- Imported (290 members)
- Inactive (BZPRPG III) (1 member)
- Inactive Characters (2 members)