List of Famous people born in January

Igor V. Dolgachev is a Russian–American mathematician specializing in algebraic geometry. He has been a professor at the University of Michigan since 1978. He introduced Dolgachev surfaces in 1981.

Mark Cooksey is a British video game musician, best known for his work on the Commodore 64, most notably composing the music for the platform game Ghosts'n Goblins. He was employed by the UK video game developer and publisher Elite Systems.

Piotr Henryk Sawczuk is a Polish Roman Catholic bishop, being the bishop of the Roman Catholic Diocese of Drohiczyn since 2019. He was previously the auxiliary bishop of Roman Catholic Diocese of Siedlce and titular bishop of Ottana from 2013 to 2019.

Pierre Rosenstiehl was a French mathematician recognized for his work in graph theory, planar graphs, and graph drawing.

Achille Perilli was an Italian painter and sculptor.

Pierre Michelin was a joint head of the Michelin tyre company between 1933 and his early death at the end of 1937, and president of the Citroën car company between September 1935 and 1937.