Douglas Rudy "Doug" Magnus (born November 1950) is a Minnesota politician and a former member of the Minnesota Senate who represented District 22, which includes all of Cottonwood, Jackson, Murray, Nobles, Pipestone and Rock counties in the southwestern part of the state. A Republican, he is also a farmer.Magnus previously served in the Minnesota House of Representatives from 2003–2011, representing District 22A, which essentially includes the western half of the senate district.