John A. Roche (August 12, 1844 – February 10, 1904) was an American politician from Illinois who served as Mayor of Chicago from 1887 to 1889.
He won against the Socialist candidate, Robert L. Nelson in a race that lacked a Democratic Party nominee.
[3] As a mayor, he was prominent for the drainage and water supply commission and being appointed to suppress gambling in saloons as well as closing disreputable ones.
In 1889, he lost his bid for reelection, being defeated by Democratic Party nominee DeWitt Clinton Cregier.
[4] After retiring, he focused his attention once again on business, and became manager and vice president of the Crane Elevator Company.