Liu Zhenmin (Chinese: 刘振民; born August 1955) is a Chinese diplomat who was named as the country's special envoy for climate change on 12 January 2024.

[1] Previously he had served as the Under-Secretary-General for the United Nations Department of Economic and Social Affairs (DESA) from 2017 to 2022.

[2] He was appointed to that position effective on 26 July 2017.

[3] Prior to that he had served as Vice-Minister for Foreign Affairs of China after a thirty-year career in the Ministry of Foreign Affairs of the People's Republic of China.

While at DESA, Liu promoted China's Belt and Road Initiative.