The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Lawful Neutral (2 members)
- Lawyers (2 members)
- Le-Koro (1 member)
- Le-Koro Guard (2 members)
- Le-Lesterin (1 member)
- Le-Matoran (8 members)
- Le-Toa (14 members)
- Le-Wahi (4 members)
- Le-Wahi (BZPRPG III) (2 members)
- Lesterin (12 members)
- Lesterin (BZPRPG III) (6 members)
- Lesterin (NBZP) (1 member)
- Lighning Elementals (1 member)
- Light Elementals (BZPRPG) (2 members)
- Lighting Elementals (NBZPRPG) (1 member)
- Lightning Elementals (2 members)
- Lightning Elementals (BZPRPG III) (4 members)
- Lightning Elementals (Fracture) (1 member)
- Lightning Elementals (The Gate) (2 members)
- Limbo Characters (BZPRPG III) (2 members)
- Locations (77 members)
- Locations (BZPRPG) (19 members)
- Locations (BZPRPG I) (5 members)
- Locations (BZPRPG III) (28 members)
- Locations (Bara Magna (Series)) (13 members)
- Locations (Ghosts of Bara Magna) (0 members)
- Locations (NBZP) (17 members)
- Locations (SK) (0 members)
- Lorebook (25 members)
- Lorebook: Atlas (10 members)
- Lorebook (BZPRPG III) (1 member)
- Lorebook (WIP) (14 members)
- Machine (BZPRPG) (2 members)
- Magnetism Elementals (2 members)
- Magnetism Elementals (BZPRPG) (2 members)
- Magnetism Elementals (BZPRPG I) (1 member)
- Magnetism Elementals (BZPRPG III) (5 members)
- Magnetism Elementals (NBZP) (1 member)
- Magnetism Elementals (New BZPRPG) (1 member)
- Magnum Opus (1 member)
- Maintenance Templates (18 members)
- Makuta (1 member)
- Makuta (AMG) (1 member)
- Makuta (BZPRPG) (6 members)
- Makuta (BZPRPG I) (2 members)
- Makuta (BZRPG) (1 member)
- Makuta (The Gate) (1 member)
- Makuta Generals (The Gate) (1 member)
- Makuta Miras' characters (6 members)
- Makuta Vulgaris (BK) (2 members)