Osmo Pekonen (2 April 1960 – 12 October 2022) was a Finnish mathematician, historian of science, and author.

He was the Book Reviews section editor of The Mathematical Intelligencer.

Pekonen died suddenly in his sleep on 12 October 2022, at the age of 62, in Uzès, France during a bicycle tour.

[1] Osmo Pekonen was a corresponding member of four French academies; these are: Académie des sciences, arts et belles-lettres de Caen (founded in 1652), Académie des sciences, belles-lettres et arts de Besançon et de Franche-Comté (founded in 1752), Académie d'Orléans (founded in 1809) and Académie européenne des sciences, des arts et des lettres (founded in 1979).

In 2012, he was awarded the Prix Chaix d'Est-Ange of the Académie des sciences morales et politiques in the field of history.