The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 100 ton mechs (4 members)
- 20 ton mechs (4 members)
- 25 ton mechs (2 members)
- 30 ton mechs (7 members)
- 35 ton mechs (4 members)
- 40 ton mechs (2 members)
- 45 ton mechs (5 members)
- 50 ton mechs (7 members)
- 55 ton mechs (7 members)
- 60 ton mechs (3 members)
- 65 ton mechs (8 members)
- 70 ton mechs (4 members)
- 75 ton mechs (7 members)
- 80 ton mechs (6 members)
- 85 ton mechs (2 members)
- 90 ton mechs (5 members)
- 95 ton mechs (4 members)
- Abilities (1 member)
- Ability templates (7 members)
- Antipersonnel weapons (1 member)
- Archer (2 members)
- Assault mechs (22 members)
- Atlas (2 members)
- Auxiliary templates (7 members)
- Awesome (2 members)
- Backer Beta MechWarriors (12 members)
- Backer MechWarriors (59 members)
- Ballistic weapons (1 member)
- Banshee (3 members)
- Battlemaster (1 member)
- Battlemech components (9 members)
- Battlemechs (2 members)
- Battletech (23 members)
- Battletech Wiki (6 members)
- Battletech campaign (21 members)
- Battletech images (19 members)
- Black Knight (2 members)
- Blackjack (0 members)
- Campaign (11 members)
- Candidates for deletion (1 member)
- Candidates for speedy deletion (0 members)
- Cataphract (1 member)
- Catapult (3 members)
- Centurion (2 members)
- Characters (15 members)
- Cicada (2 members)
- Citation needed (0 members)
- Cleanup (0 members)
- Commando (2 members)
- Community (5 members)