Chang Hao (Chinese: 常昊; pinyin: Cháng Hào; born November 7, 1976, in Shanghai) is a professional Go player. He is a 9 dan Go player from China. He is China's best player of the 1990s and one of the best in the world. Growing up he was a prodigy in China, he has won many titles, including three international champions. He is the best friend of Lee Chang-ho, whom he most recently defeated in the final of the 7th Chunlan Cup. Some of his hobbies include playing football, swimming, and traveling. He is married to Zhang Xuan, who is also a Go player.