Alexei Vasilievich Shubnikov (Russian: Алексей Васильевич Шубников; 29 March 1887 – 27 April 1970) was a Soviet crystallographer and mathematician.

Shubnikov was the founding director of the Institute of Crystallography (named after him following his death) of the Academy of Sciences of the Soviet Union in Moscow.

[1] In 1912 Shubnikov graduated from the Department of Natural Sciences of the Faculty of Physics and Mathematics of Moscow University.

He is known for his research in the 1950s on the Shubnikov groups named after him, with many applications in crystallography and solid-state physics, especially in the fields of magnetism and ferroelectricity.

He was the first to draw attention to piezoelectric textures, which predicted the possibility of visual observation of atoms and molecules when monochromatic rays pass through two superimposed crystal rasters, which has found application in the technique of modern electron microscopy.