John Joseph Mildenberger MBE, (September 29, 1895[1] – August 8, 1976[2]) was an Imperial Russian-born farmer, civil servant, educator and political figure in Saskatchewan.
He represented Maple Creek from 1934 to 1944 in the Legislative Assembly of Saskatchewan as a Liberal.
He was born in Straßburg in the Odessa region of South Russia, of German descent.
Mildenberger was educated at St. Boniface College in Manitoba and at the University of Saskatchewan.
He trained as a pilot in the Royal Canadian Air Force near the end of World War I. Mildenberger taught school for a number of years before being hired as a collector for the International Harvester Company.