The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- Navbox templates (19 members)
- Navigation templates (10 members)
- Nay-Kobolds (3 members)
- Neclord (1 member)
- Negative status effects (13 members)
- Nelis (1 member)
- Nelvan (1 member)
- Neos (1 member)
- New State cards (142 members)
- Nick (1 member)
- Nico (1 member)
- Nido (1 member)
- Nifsara (1 member)
- Nikea (1 member)
- Nikumba (1 member)
- Noah (1 member)
- Nohl (1 member)
- Nolbanos Nobilious (1 member)
- Norden (1 member)
- Norma (1 member)
- Normal enemies in Genso Suikoden Tsumugareshi Hyakunen no Toki (3 members)
- Normal enemies in Suikoden (80 members)
- Normal enemies in Suikoden II (93 members)
- Normal enemies in Suikoden III (25 members)
- Normal enemies in Suikoden IV (60 members)
- Normal enemies in Suikoden Tierkreis (2 members)
- Normal enemies in Suikoden V (1 member)
- Notice templates (7 members)
- Numa (1 member)
- Oboro (1 member)
- Odessa Silverberg (4 members)
- Oleg (1 member)
- Optional effect cards (172 members)
- Organizations (85 members)
- Organizations from Suikoden publications (2 members)
- Organizations in Genso Suikoden Tierkreis Hoshikuzu no Shiro (3 members)
- Organizations in Genso Suikoden Tsumugareshi Hyakunen no Toki (8 members)
- Organizations in Genso Suikogaiden Vol.1 (1 member)
- Organizations in Genso Suikogaiden Vol.2 (4 members)
- Organizations in Suikoden (11 members)
- Organizations in Suikoden II (15 members)
- Organizations in Suikoden III (14 members)
- Organizations in Suikoden IV (6 members)
- Organizations in Suikoden Tactics (2 members)
- Organizations in Suikoden Tierkreis (9 members)
- Organizations in Suikoden V (17 members)
- Ornan (1 member)
- Orok (1 member)
- Oskar (1 member)
- Other cards (10 members)