Liu Guangding (simplified Chinese: 刘光鼎; traditional Chinese: 劉光鼎; pinyin: Liǘ Guāngdǐng; 29 December 1929 – 7 August 2018) was a Chinese geophysicist best known for his work in geophysics, marine geology and petroleum geology. He had been hailed as "Father of Chinese marine geology". He was a member of the 8th and 9th National Committee of the Chinese People's Political Consultative Conference.