Maxime Laubeuf was a French maritime engineer of the late nineteenth century. He was born on 23 November 1864 at Poissy, Yvelines, and died on 23 December 1939 in Cannes, Alpes-Maritimes. Laubeuf was a pioneer in the design and building of submarines, and was responsible for a number of the innovations that led to modern submarine design. His work had a profound influence on the design of submersibles in the late nineteenth century and early twentieth century.