Ren Xiujuan (; born September 14, 1974 in Dalian, Liaoning) is a female Chinese long-distance runner who specialized in the marathon. She represented her country twice in the Olympic marathon, having her best placing of ninth in 1996. She also ranked fifth in the 10,000 metres at the 1997 World Championships in Athletics. She won a global title at the 1996 IAAF World Half Marathon Championships, becoming the first Asian person to win that event.