Kaitlin Shea Sandeno (born March 13, 1983) is an American former competition swimmer who is an Olympic gold medalist, world champion and former world record-holder. Sandeno was a member of the American team that set a new world record in the 4×200-meter freestyle relay at the 2004 Summer Olympics.
At the 2000 Summer Olympics in Sydney, Australia, Sandeno won the bronze medal in the 800-meter freestyle event, along with fourth place in the 400-meter individual medley and sixth place in the 200-meter butterfly. In 2003, while enrolled at the University of Southern California, she won the U.S. national championship in the 200-meter butterfly, and the 200- and 400-meter individual medley events.
The 2004 Summer Olympics in Athens, Greece saw Sandeno win three more Olympic medals: a silver medal in the 400-meter individual medley, a bronze medal in the 400-meter freestyle, and a gold medal in the 4×200-meter freestyle relay. The American team of Natalie Coughlin, Carly Piper, Dana Vollmer and Sandeno also broke the seventeen-year-old world record (previously held by East Germany) by more than two seconds with their victory in the 4×200-meter freestyle relay.
After failing to qualify for the 2008 U.S. Olympic Team, Sandeno announced her retirement. She is currently looking to start a new career in sports broadcasting. As of May 2010, Sandeno has joined with Think Physical Therapy and started a venture called Swim Tank where she will do stroke analysis for swimmers. For the 2010 Southern California swim season, Sandeno was an assistant swim coach at Mater Dei High School, a private catholic high school in Santa Ana, California. As a high school student, Sandeno attended a public high school in Lake Forest.
In 2014, Sandeno called the swimming races at the Youth Olympics on NBC.