Amanda Ray Beard (born October 29, 1981), also known by her married name Amanda Brown, is an American swimmer and a seven-time Olympic medalist (two gold, four silver, one bronze). She is a former world record holder in the 200-meter breaststroke (long course).

Beard's success has earned her the American Swimmer of the Year Award twice. She has won a total of twenty-one medals in major international competition, five gold, thirteen silver, and three bronze spanning the Olympics, the World Championships, the Pan Pacific Championships, and the Summer Universiade.