Ole Michael Ludvigsen Selberg (7 October 1877 – 11 December 1950) was a Norwegian mathematician and educator.

He was married to Anna Kristina Brigtsdatter Skeie, and the father of Sigmund, Arne, Henrik and Atle Selberg.

His thesis from 1925 treated the theory of algebraic equations.

He is also known for his large collection of mathematics literature, which has later been donated to the Norwegian University of Science and Technology.

This biographical article about a Norwegian academic is a stub.