The Cook County Medical Examiner is the coroner of Cook County, Illinois. Occupants are credential medical examiners, appointed by president of the Cook County Board of Commissioners, subject to confirmation by the Cook County Board of Commissioners. The office was created in 1976, replacing the previous office of Cook County Coroner.
The office of Cook County Coroner existed from 1831 to 1976, and from 1836 was an elected position. County voters, in 1972, elected to replace the office of coroner with the current office of medical examiner.