John Harrington Farley, also known as "Honest John" Farley, was an American politician of the Democratic Party who served as the 27th and 34th mayor of Cleveland, Ohio, from 1883 to 1884 and from 1899 to 1900.

The mayor of Cleveland is the head of the executive branch of government of the City of Cleveland, Ohio. As the chief executive in Cleveland's mayor–council system, the mayor oversees all city services and is "responsible for enforcing the city charter, city ordinances, and the laws of the State of Ohio." The mayor's office is located at Cleveland City Hall at 601 Lakeside Avenue in Downtown Cleveland. Since 1836, the city has had a total of 54 mayors, including the city's current mayor, Justin Bibb, encompassing 58 mayoral administrations, as four mayors have served in non-consecutive terms.