The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- SNK Vs. Capcom Series (0 members)
- SNK franchises (4 members)
- SNK games (1 member)
- SNK vs. Capcom series (3 members)
- SSBM (4 members)
- SSBMGlossary (1 member)
- SSBM Gecko Codes (0 members)
- SSBM Stages (38 members)
- SSBM Templates (36 members)
- Sabretooth (4 members)
- Sagat (353 members)
- Saisyu Kusanagi (1 member)
- Sakura (184 members)
- Samurai Shodown (3 members)
- Samurai Shodown (1993) (13 members)
- Samurai Shodown 2 (16 members)
- Samurai Shodown 3 (0 members)
- Samurai Shodown 4 (0 members)
- Samurai Shodown 5 Special (0 members)
- Samurai Shodown Tenka (0 members)
- Samurai Shodown characters (14 members)
- Samurai Shodown games (2 members)
- Samurai Showdown 1 (0 members)
- Samus (1 member)
- Sarah Bryant (2 members)
- Sareena (4 members)
- Sasquatch (10 members)
- Saturn (1 member)
- Scorpion (10 members)
- Scorpion (Kameo) (1 member)
- Scythe (12 members)
- Sean (52 members)
- Sektor (8 members)
- Sektor: (1 member)
- Sektor (Kameo) (5 members)
- Sengoku Basara X (13 members)
- Sentinel (28 members)
- Sergei Dragunov (3 members)
- Series (10 members)
- Servbot (4 members)
- Seth (8 members)
- Shadow (1 member)
- Shadow Geist (1 member)
- Shadow Lady (7 members)
- Shang Tsung (3 members)
- Sharon (1 member)
- She-Hulk (43 members)
- Sheik (2 members)
- Shen Woo (40 members)
- Shermie (0 members)