Alexander Fyodorovich Andreev (Russian: Александр Фёдорович Андреев, born 10 December 1939) is a Russian theoretical physicist known for explaining the eponymous Andreev reflection.
Since 1979, Andreev has been a professor at the Moscow Institute of Physics and Technology. He focuses on the physics of superconductivity, quantum liquids and solids, surface phenomena and magnetism.
Vice-President of the Russian Academy of Sciences (1991—2013).