Li Dongying (Chinese: 李东英; December 14, 1920 - September 22, 2020) was a Chinese metallurgist. He was one of the founders of China's rare metal industry. He was born in Beijing. In December 1980, he co-founded the Chinese Society of Rare Earths (CSRE) in Beijing. In 1995, he was a member of the Chinese Academy of Engineering.
On September 22, 2020, Li died in Beijing at the age of 99.