Ju Wenjun (born January 31, 1991) is a Chinese chess player, who holds the FIDE title of Woman Grandmaster.Rating 2515 (July 2011)

Ju Wenjun plays for Shanghai chess club in the China Chess League (CCL).

In 2008 & 2009 she won China Chess League champion

In the Women's World Chess Championship 2010 she reached the quarter-finals.

In June 2010 she won the Women's Chinese Championship with 8/11.

In July 2011 she won the 1st Hangzhou Women Grand Master Chess Tournament with 6.5/9.

She is currently the No. 2 ranked girl chess player (under-20) in the world on the July 2011 Top 20 Girls FIDE rating list.