Dawn Harper-Nelson is an American track and field athlete who specializes in the 100-meter hurdles. She was the gold medalist in the event at the 2008 Beijing Olympic Games and the silver medalist in the 2012 London Olympic Games and the 2017 World Championships. Harper is the first American 100-meter hurdler to ever win gold at an Olympics and medal in the following Olympics. She made her debut in television broadcasting during the 2024 Paris Olympics as an analyst for NBC.