The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Shijou Saikyo no Teishi Kenichi (3 members)
- Shiki (1 member)
- Shin Akuma (1 member)
- Shingo Yabuki (1 member)
- Shoma Sawamura (53 members)
- Shotokan Move (0 members)
- Shujinko (5 members)
- Shuma-Gorath (32 members)
- Shuma Gorath (2 members)
- Sie Kensou (2 members)
- Sigma (2 members)
- Sindel (2 members)
- Sittara (1 member)
- Skullgirls (8 members)
- Skullomania (2 members)
- Smoke (2 members)
- Sodom (157 members)
- Sokaku Mochizuki (1 member)
- Sonic (1 member)
- Sonic Battle (12 members)
- Sonya (2 members)
- Sonya Blade (3 members)
- SoulCalibur II (25 members)
- SoulCalibur III (29 members)
- Soul Calibur 2 (0 members)
- Soul Calibur 3 (0 members)
- Soul Edge/Blade (0 members)
- Soulcalibur (3 members)
- Soulcalibur VI (305 members)
- Spammers (65 members)
- Spear (10 members)
- Special Attack (4 members)
- Spencer (41 members)
- Spider-Man (29 members)
- Spider-man (27 members)
- Steve Fox (9 members)
- Storm (39 members)
- Strategy Guide (50 members)
- Street FIghter 6 (18 members)
- Street Fighter (4 members)
- Street Fighter (1987) (22 members)
- Street Fighter 2: Champion Edition (17 members)
- Street Fighter 2: Hyper Fighting (18 members)
- Street Fighter 2: The World Warrior (12 members)
- Street Fighter 2 Series (22 members)
- Street Fighter 3: 2nd Impact (13 members)
- Street Fighter 3: 3rd Strike (176 members)
- Street Fighter 3: 3rd Strike/Gill (3 members)
- Street Fighter 3: New Generation (28 members)
- Street Fighter 3 Series (0 members)