Wang Jianzheng (born February 1, 1987) is a Chinese amateur boxer. He competed at the 2008 Olympics at middleweight.
At the World Championships, he beat three unknown fighters before running into superstar Matvey Korobov and losing 3:22. His placement ensured his qualification for the Olympics in his native country, though. There he lost his first bout against Serhiy Derevyanchenko.