The Patrician is the ruler of the city of Ankh-Morpork. Since the death of the last king of the city (Lorenzo the Kind, executed by "Old Stoneface" Vimes) three centuries prior to the events of the books, Ankh-Morpork has been ruled by a succession of lords whose only qualification is survival for a period longer than that taken to boil the average egg.

Patricians mentioned in the books include: