Léon Hourlier (16 September 1885 – 16 October 1915) was a French cyclist.

He won the French national cycling championships in 1909, 1911 and 1914.

Both Hourlier and his brother-in-law and fellow cyclist Léon Comès enlisted in the French military during World War I.

They died together in a military air accident at Saint-Etienne-au-Temple in the Champagne district in France.

This biographical article related to a French cycling person born in the 1880s is a stub.