Dufferin "Duff" Roblin, PC CC OM (June 17, 1917 – May 30, 2010) was a Canadian businessman and politician. Known as "Duff," he served as the 14th Premier of Manitoba from 1958 to 1967. Roblin was appointed to the Senate of Canada on the advice of Prime Minister Pierre Trudeau. In the government of Brian Mulroney, he served as Senate Leader. He was the grandson of Sir Rodmond Roblin, who also served as Manitoba Premier. His ancestor John Roblin served in the Upper Canada assembly.