Margaret McTavish Konantz, née Rogers (April 30, 1899 – May 11, 1967) was a Canadian politician of Métis ancestry, who represented the electoral district of Winnipeg South in the House of Commons of Canada from 1963 to 1965. She was the first woman from Manitoba elected to the House of Commons. Also in 1963, she was a delegate to the United Nations Third Committee on Social, Economic and Humanitarian Problems. In this capacity, she toured several Indian reserves in Canada to study economic and health conditions.