The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 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)