The Boromar Clan is a prominent criminal organization in the Eberron campaign setting of the Dungeons & Dragons role-playing game. Known for their extensive network of spies and thieves, they operate primarily in the city of Sharn. The clan is involved in various illegal activities, including smuggling, extortion, and assassination. The Boromar Clan is led by a powerful halfling named Mordain Boromar, who is known for his cunning and strategic mind. The clan's members often use their charm and social skills to manipulate others, making them a formidable force in the underworld. Their influence extends beyond crime, as they also engage in legitimate businesses to maintain a façade of respectability.