Cowper may refer to:Cowper (surname), people with the surname
Earl Cowper, an extinct title in the peerage of Great Britain
Cowper, New South Wales, a town in New South Wales, Australia
Division of Cowper, an electoral district in the Australian House of Representatives, in New South Wales
Cowper County, New South Wales
Cowper House, Chester, England
Cowper stove, a regenerative heat exchanger