Dr. John Harold Cascaden (December 3, 1840 – August 31, 1904) was an Ontario physician and political figure.
He represented Elgin West in the Legislative Assembly of Ontario from 1879 to 1886 as a Liberal members.
in 1863, and at the Royal College of Physicians in London, England.
John died August 31, 1904, and is buried in the cemetery of St. Stephen's Anglican Church in Dunwich, Elgin County, Ontario.
This article about an Ontario Liberal Party MPP is a stub.