Andrei Sergeevich Monin (Russian: Андре́й Серге́евич Мо́нин; 2 July 1921 – 22 September 2007) was a Russian physicist, applied mathematician, and oceanographer. Monin was known for his contributions to statistical theory of turbulence and atmospheric physics. He served as the Director of the P.P. Shirshov Institute of Oceanology of the USSR Academy of Sciences.