The 2019 Marvellous 12 () was a qualifying event organized by the Chinese Table Tennis Association, Tencent Sports and Shenzhen Municipal Culture, Sports and Tourism Bureau. It will be held in Shenzhen, China from 28 February to 3 March, 2019. It was the second edition of the tournament, and the second time that it have been held in Shenzhen. Winners and runners-up of the men's and women's singles event, namely Fan Zhendong, Liang Jingkun, Chen Meng, and Sun Yingsha, was each guaranteed a spot to represent China in the 2019 World Table Tennis Championships.