John Sloane may refer to: John Sloane (Ohio politician) (1779–1856), U.S. representative and Treasurer of the United States John Eyre Sloane (1886–1970), American industrialist John L. Sloane (1847–1897), mayor of Missoula, Montana.
See also Jonathan Sloane (1785–1854), U.S. Representative from Ohio John Sloan (disambiguation)