Li Tian (Chinese: 李天; pinyin: Lǐ Tiān; Wade–Giles: Li T'ien; 2 October 1938 – 11 April 2018) was a Chinese physicist and aircraft designer.

An expert in aerodynamics for aeronautics, he served as chief scientist of the Shenyang Aircraft Corporation.

[2] He was assigned to the then 601 Institute as a technician afterwards, and was banished to western Liaoning during the Cultural Revolution.

He improved Chinese fighter configurations and stealthy designs by combining electromagnetic scattering characteristics with aerodynamic theory.

[4] Li was elected as an academician of the Chinese Academy of Sciences in 2005.