Bu Xiangzhi (Chinese: 卜祥志; pinyin: Bǔ Xiángzhì; born December 10, 1985) is a Chinese chess player. In 1999, he became the 10th grandmaster from China at the age of 13 years, 10 months and 13 days, at the time the youngest in history. In April 2008, Bu and Ni Hua became the second and third Chinese players to pass the 2700 Elo rating line, after Wang Yue.
Bu was Chinese champion in 2004. He was a member of the gold medal-winning Chinese team at the 2015 World Team Chess Championship and at the 2018 Chess Olympiad.