Aleksandr Iosifovich Neusykhin (Russian: Александр Иосифович Неусыхин; 19 January 1898 – 22 October 1969) was a Soviet historian and medievalist, Doctor of Sciences in Historical Sciences (1946), Professor at the Lomonosov Moscow State University.

[1][2] He headed the department of history at the Tomsk State Pedagogical University.

[3] Neusykhin graduated from Moscow State University (MSU) in 1921.

[2] In 1938, he received the title of Professor.

[6] From 1942 to 1943, Neusykhin headed the Department of History of the Middle Ages at the MSU.