The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Rival Schools Project Justice (0 members)
- Rival Schools Series (0 members)
- Robert Garcia (2 members)
- Roberto Miura (63 members)
- Roche (2 members)
- Rock (50 members)
- Rock Howard (1 member)
- Rocket Raccoon (46 members)
- Roger Jr. (6 members)
- Rokurouta (1 member)
- Rolento (143 members)
- Roll (21 members)
- Roll Cancelling (1 member)
- Roomi (1 member)
- Rose (233 members)
- Rose Mary (1 member)
- Roy (1 member)
- Roy Bromwell (52 members)
- RubberSoul (6 members)
- Rugal (5 members)
- Rugal Bernstein (1 member)
- Ryo (40 members)
- Ryo Sakazaki (70 members)
- Ryu (215 members)
- Ryu(CFE) (30 members)
- Ryu Hayabusa (2 members)
- Ryuji Yamazaki (47 members)
- SF6 (4 members)
- SFA2 (55 members)
- SFV (30 members)
- SNK (3 members)
- SNK Characters (8 members)
- 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 (348 members)
- Saisyu Kusanagi (1 member)
- Sakura (179 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)