Zhao Jiuzhang (simplified Chinese: ???; traditional Chinese: ???; pinyin: Zhà o Jiuzhang; Wade–Giles: Chao Chiu-chang; 15 October 1907 – 26 October 1968), also known as Jeou Jang Jaw, was a Chinese meteorologist and physicist.
He was a pioneer of Chinese space technology and is considered as a founding father of China's satellite program.