Lei Tingjie (born 13 March 1997 in Chongqing) is a Chinese chess player who holds the FIDE title of Woman Grandmaster (WGM) since 2014.
She finished equal second and third on tiebreak in the Women's Chinese Chess Championship of 2014. In the same year she won the 4th China Women Masters Tournament in Wuxi.
In 2015 Lei won the women's open tournament of the Moscow Open, ahead of World Junior Girls Champion Aleksandra Goryachkina. She competed in the Women's World Chess Championship 2015, where she was knocked out in the second round by top seed Humpy Koneru. In December 2015, Lei tied for 1st-5th with Alexander Zubarev, Olexandr Bortnyk, Jure Skoberne and Maximilian Neef in the 32nd Böblingen International Open scoring 7/9 points.
As of January 2016 her Elo rating is 2474, making her world no. 2 girl player, no. 54 junior player, and no. 25 woman player.