Mary Teresa Norton (née Hopkins; March 7, 1875 – August 2, 1959) was an American Democratic Party politician who represented Jersey City and Bayonne in the United States House of Representatives from 1925 to 1951. She was the first woman member of the Democratic Party elected to Congress and the first woman elected to represent New Jersey, or any state in the Northeast. She chaired four House committees during her tenure and was a labor advocate and a supporter of women's rights.