Courtney Amanda Shealy (born December 12, 1977), from Irmo, South Carolina, later known by her married name Courtney Hart, is an American former competition swimmer, Olympic gold medalist, and former world record-holder. Shealy swam the third leg of the world record-breaking women's 4×100-meter freestyle relay team that won gold at the 2000 Summer Olympics. Her winning teammates were Jenny Thompson, Dara Torres and Amy Van Dyken. At the same Olympics, she swam in the qualifying heats of the women's 4×100-meter medley relay, and earned a gold medal for doing so.