Theresa Weld Blanchard (August 21, 1893 in Brookline, Massachusetts – March 12, 1978 in Brookline, Massachusetts) was an American figure skater who competed in the disciplines of single skating and pair skating. Her pairs partner was Nathaniel Niles. As a singles skater, she won the gold medal at the U.S. Figure Skating Championships six times and competed three times in the Olympics, capturing a bronze medal in 1920. With Niles, she won the national pairs title nine times and also participated in the Olympics three times.