Patrice Ossona de Mendez is a French mathematician specializing in topological graph theory who works as a researcher at the Centre national de la recherche scientifique in Paris.

[1][2] Ossona de Mendez was born on 13 December 1966 in Paris.

[1] He represented France in the International Mathematical Olympiad in 1985, earning a bronze medal there.

[1] His dissertation, jointly supervised by Rosenstiehl and Hubert de Fraysseix, concerned bipolar orientations of graphs.

[1] With Jaroslav Nešetřil, he is the author of the book Sparsity: Graphs, Structures, and Algorithms (Algorithms and Combinatorics 28, Springer, 2012), concerning the properties and applications of different types of sparse graph.