The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- CS icon templates (26 members)
- CS icons (81 members)
- C link cards (258 members)
- Cadmus (1 member)
- Calendar (366 members)
- Calendars (4 members)
- Camus (1 member)
- Caps (7 members)
- Caps in Suikoden (5 members)
- Caps in Suikoden II (4 members)
- Card art from Genso Suikoden Card Stories (174 members)
- Cards (1,957 members)
- Cards missing Japanese card text data (2 members)
- Cards missing card text data (0 members)
- Cards sorted by Camp alignment (13 members)
- Cards sorted by Links (9 members)
- Cards sorted by effect (9 members)
- Cards with errata (15 members)
- Cards with errata (Card Name) (1 member)
- Cards with errata (Image) (1 member)
- Cards with errata (Text) (12 members)
- Carrie (1 member)
- Cathari (1 member)
- Cats (5 members)
- Cave dwarves (5 members)
- Cecile (1 member)
- Cedric (1 member)
- Chadli (1 member)
- Chamjin (1 member)
- Champo (1 member)
- Character cards (1,671 members)
- Characters (1,356 members)
- Characters from Genso Suikoden Short Stories 1 (0 members)
- Characters from Genso Suikoden Short Stories 2 (0 members)
- Characters from Genso Suikoden Short Stories 4 (0 members)
- Characters from Genso Suikoden Short Story Collection 1 (19 members)
- Characters from Genso Suikoden Short Story Collection 2 (14 members)
- Characters from Genso Suikoden Short Story Collection 4 (5 members)
- Characters from Genso Suikoden Soul Eater (1 member)
- Characters from Konami Parody Comic Series Genso Suikoden (2 members)
- Characters from Suikoden publications (14 members)
- Characters in Genso Suikoden Card Stories (9 members)
- Characters in Genso Suikoden Tierkreis Hoshikuzu no Shiro (41 members)
- Characters in Genso Suikoden Tsumugareshi Hyakunen no Toki (233 members)
- Characters in Genso Suikogaiden Vol.1 (88 members)
- Characters in Genso Suikogaiden Vol.2 (92 members)
- Characters in Pachislot Genso Suikoden (15 members)
- Characters in Suikoden (294 members)
- Characters in Suikoden II (382 members)
- Characters in Suikoden III (257 members)
- Characters in Suikoden IV (257 members)
- Characters in Suikoden Tactics (150 members)
- Characters in Suikoden Tierkreis (242 members)
- Characters in Suikoden V (292 members)
- Charlemagne (1 member)
- Chiepoo (1 member)
- Childerich (2 members)
- Chisato (1 member)
- Chris Lightfellow (5 members)
- Chrodechild (1 member)
- Chronicles (13 members)
- Chuchara (1 member)
- Chuck (1 member)
- Cius (1 member)
- Cleion (1 member)
- Cleo (1 member)
- Clive (2 members)
- Code templates (5 members)
- Color templates (20 members)
- Colton (1 member)
- Commoner cards (546 members)
- Conon (1 member)
- Cornelio (1 member)
- Corselia (1 member)
- Counter effect cards (112 members)
- Countries (55 members)
- Countries in Genso Suikogaiden Vol.1 (2 members)
- Countries in Genso Suikogaiden Vol.2 (2 members)
- Countries in Suikoden (2 members)
- Countries in Suikoden II (5 members)
- Countries in Suikoden III (11 members)
- Countries in Suikoden IV (4 members)
- Countries in Suikoden Tactics (4 members)
- Countries in Suikoden V (5 members)
- Craftman cards (232 members)
- Craig Laden (1 member)
- Cray's son (1 member)
- Crowley (1 member)
- Culgan (1 member)
- Cultural groups (9 members)
- Cultural groups in Genso Suikoden Tsumugareshi Hyakunen no Toki (2 members)
- Cultural groups in Suikoden (1 member)
- Cultural groups in Suikoden II (1 member)
- Cultural groups in Suikoden III (1 member)
- Custom search thumbnails (30 members)
- DVDs (1 member)
- D link cards (520 members)
- Dagzuma (1 member)
- Daisy (2 members)
- Damdin (1 member)