The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Persona 4 Arena (15 members)
- Petra (2 members)
- Phase 4 (2 members)
- Phobos (Huitzil) (33 members)
- Phoenix (40 members)
- Phoenix Wright (74 members)
- Pichu (1 member)
- Pikachu (1 member)
- Plasma Sword (57 members)
- PlayStation All-Stars Battle Royale (25 members)
- Playstation 3 games (1 member)
- Pocket Fighter (27 members)
- Poison (45 members)
- Pokken Tournament DX (41 members)
- Powered Akira (59 members)
- Project+ (9 members)
- Project + (13 members)
- Project Justice (1,398 members)
- Project Plus (1 member)
- Pullum (1 member)
- Pyron (10 members)
- Q (50 members)
- Quan Chi (9 members)
- R.Mika (27 members)
- Rabbit (69 members)
- Rachel (2 members)
- Radiant Entertainment (1 member)
- Rage of the Dragons (658 members)
- Rai-On (1 member)
- Raiden (7 members)
- Raidou (2 members)
- Rain (53 members)
- Ralf Jones (5 members)
- Rambo (90 members)
- Ramon (1 member)
- Ran Hibiki (50 members)
- Ranma CRH (28 members)
- Rashid (76 members)
- Raven (7 members)
- Real Bout Fatal Fury (53 members)
- Real Bout Fatal Fury 2 (24 members)
- Real Bout Fatal Fury Special (291 members)
- Real Bout Fatal Fury Special characters (2 members)
- Real Bout Special Andy Bogard (55 members)
- Real Bout Special Billy Kane (5 members)
- Real Bout Special Blue Mary (1 member)
- Real Bout Special Bob Wilson (1 member)
- Real Bout Special EX Andy Bogard (1 member)
- Real Bout Special EX Billy Kane (1 member)
- Real Bout Special EX Tung Fu Rue (1 member)