| Jalvan | Fae Mhor | 1601 | Half-Fae-Mhor renegade or "rake", leader of anarchist rebels in Erelhei-Cinlu, scorned by the party as a "playing rich-kid" | ||||
| Jarkko | Tzallis | 2100 | Boatman hired by and murdered by Tharlan Redfinger | ||||
| Jart | Planes | 1602 | Ancient race, enemies of the elves before their arrival on Alair | ||||
| Jarvis | Sigil | 1601 | Insane Dustman living in Sigil's Hive Ward | ||||
| Jasselan | Kordasa | 1601 | One of the New Faithful of Kord, selected by Hildraft as first deacon of the temple, later High Priest of the Kordasa | ||||
| Jealous Wench | Erlyid | 1601 | Down at heel inn and tavern, scene of the decoy attempt on Prince Crixus | ||||
| Jemima | Animal | 1601 | Sheep owned by Jarvis the Dustman | ||||
| Jerfaya-khan | Red Dust | - | Thalrath word for a Khan of all the Khans, an Overlord | ||||
| Jeric | Djasrem | - | City in the Stryran Barony of Nexas; baronial seat, now part of Djasrem | ||||
| Jermord | Stryre | - | City in the Stryran Grand Duchy of Kome | ||||
| Jerrata | Underdark | - | Realm of the Underdark, deserted, the Goodly Realm | ||||
| Journals of Elverandil | Magical Item | 1600 | Notes & journals of the mastersmith Elverandil, containing most of his lore | ||||
| Juncara | Stryre | 1608 | Priest of Karlan in Ealmere |