The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Axel (1 member)
- Aya (1 member)
- B link cards (468 members)
- Babbage (1 member)
- Badamhatan (1 member)
- Bahram Luger (1 member)
- Bang (1 member)
- Barbara (1 member)
- Barbarosa Rugner (3 members)
- Barge (1 member)
- Basil (1 member)
- Bastan (1 member)
- Battles (15 members)
- Bazarte Lugam (1 member)
- Beaga (1 member)
- Beast cards (74 members)
- Beavers (0 members)
- Beecham (1 member)
- Belcoot (1 member)
- Beltha (1 member)
- Berenique Nobilious (1 member)
- Bergen (1 member)
- Bernadette Egan (1 member)
- Betrayal effect cards (40 members)
- Biskiel people (0 members)
- Bob (1 member)
- Body equipment (38 members)
- Body equipment in Suikoden (21 members)
- Body equipment in Suikoden II (30 members)
- Boldon (1 member)
- Bolgan (1 member)
- Bonaparte (1 member)
- Borus Redrum (1 member)
- Boss enemies in Genso Suikoden Tsumugareshi Hyakunen no Toki (6 members)
- Boss enemies in Suikoden (15 members)
- Boss enemies in Suikoden II (18 members)
- Boss enemies in Suikoden III (6 members)
- Boss enemies in Suikoden IV (13 members)
- Boss enemies in Suikoden Tactics (2 members)
- Boss enemies in Suikoden Tierkreis (2 members)
- Boss enemies in Suikoden V (1 member)
- Boz Wilde (1 member)
- Brandeau (1 member)
- Branky (1 member)
- Brec (1 member)
- Bright (1 member)
- Businesses (6 members)
- Businesses in Suikoden II (2 members)
- Businesses in Suikoden IV (2 members)
- Byakuren (1 member)