I do believe it was Wilma Rudolph in the 1960 Olympic games in Rome.
Who were the first three African American women to win medals in Olympic games?
America has traditionally had one of the most successful Olympic gymnastic teams. The woman with the most Olympic medals is Larissa Latynina.
Wilma Rudolph was the very first African American to win four gold medals.
Margaret Abbott in ladies golf at the 1900 Games in Paris.
In the 1960 Olympic Games Wilma Rudolph became the first American woman to win three gold medals. As an aside, Wilma was from Tennessee.
Alice Coachman, 1948.
Jenny Thompson with 8.
Jenny Thompson of the United States with 8 gold medals won. All of her gold medals came in relay events. She also won 3 silver and 1 bronze for a total of 12 Olympic medals.