Trey Lewis (born November 27, 1959) is an American tennis player who played professionally in the first half of the 1980s. As a qualifier she advanced past the first round of the 1979 U.S. Open, where she was beaten by Sabina Simmonds in the second round. This was her best performance in a Grand Slam tournament. Lewis was a member of the 1979 USC Women's Tennis All American Team. She placed second at the 1979 Pan American games in San Juan.