John A. Roche, American lawyer and politician, 30th Mayor of Chicago (born 1844)

John A. Roche was an American politician from Illinois who served as Mayor of Chicago from 1887 to 1889. He was the 30th mayor of the city.

The mayor of Chicago is the chief executive of city government in Chicago, Illinois, the third-largest city in the United States. The mayor is responsible for the administration and management of various city departments, submits proposals and recommendations to the Chicago City Council, is active in the enforcement of the city's ordinances, submits the city's annual budget and appoints city officers, department commissioners or directors, and members of city boards and commissions.