The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Su-Matoran (4 members)
- Su-Toa (5 members)
- Substances (3 members)
- Substances (BZPRPG III) (5 members)
- Substances (Bara Magna (Series)) (2 members)
- Substances (NBZP) (1 member)
- Ta-Koro (9 members)
- Ta-Koro Guard (17 members)
- Ta-Matoran (10 members)
- Ta-Skakdi (1 member)
- Ta-Toa (24 members)
- Ta-Wahi (23 members)
- Ta-Wahi (BZPRPG III) (3 members)
- Taajar (3 members)
- Taajar Clans (2 members)
- Taverns (6 members)
- Taverns (BZPRPG III) (1 member)
- Team Kanohi Dragon (5 members)
- Technology (14 members)
- Technology (BZPRPG III) (10 members)
- Templates (3 members)
- Templates (BZPRPG) (2 members)
- Temples (1 member)
- Term (1 member)
- Terrorism (5 members)
- Text-Based Role Playing Games (4 members)
- The Academy (BZPRPG) (6 members)
- The Four Peers (5 members)
- The Gate (3 members)
- The Green (Plant Life) Elementals (AMG) (1 member)
- The Mangaia Pact (5 members)
- The Order (2 members)
- The Peers (1 member)
- Thieves (1 member)
- Time Elementals (BZPRPG I) (1 member)
- Timeline (2 members)
- Titan (1 member)
- Titan (BZPRPG) (1 member)
- Titans and Other Species (AMG) (5 members)
- Titans and Other Species (BK) (2 members)
- Titans and Other Species (BZPRPG) (20 members)
- Toa (171 members)
- Toa/Santun (BZPRPG) (1 member)
- Toa/Vortixx hybrid (AMG) (1 member)
- ToaTapio's Main Six (7 members)
- Toa ((NBZP)) (1 member)
- Toa (?) (OE) (1 member)
- Toa (ACD) (16 members)
- Toa (AMG) (8 members)
- Toa (BK) (4 members)