Dufferin "Duff" Roblin was a Canadian businessman and politician. 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 government leader in the Senate. He was the grandson of Sir Rodmond Roblin, who also served as Manitoba Premier. His ancestor John Roblin served in the Upper Canada assembly.

Sir Rodmond Palen Roblin was a businessman and politician in Manitoba, Canada.