Deng Jiaxian (simplified Chinese: 邓稼先; traditional Chinese: 鄧稼先; pinyin: Dèng Jiàxiān; Wade–Giles: Teng Chia-hsien; June 25, 1924 – July 29, 1986) was a Chinese nuclear physicist and academician of Chinese Academy of Sciences (CAS). He was a leading organizer and key contributor to the Chinese nuclear weapon programs.