Simone Marie Jelks (born March 9, 1986) is an American professional basketball referee in the National Basketball Association (NBA), wearing number 81. Jelks became the seventh woman to be a full-time NBA referee. As of the 2020–21 NBA season Jelks has officiated 49 regular-season games, including 16 regular-season games as a non-staff official during the 2019–20 NBA season. She is in her second season as an NBA referee.