Enrique Cornelio Osornio Martínez de los Ríos (September 16, 1868 – April 1, 1945) was a Mexican politician and military surgeon with the rank General Brigadier Médico Cirujano (Brigadier General MC).
In 1892 he began his studies at the Escuela Nacional de Medicina (currently Faculty of Medicine of the UNAM) in Mexico City and graduated in 1893.
From 1914 he served as a military surgeon on the side of revolutionary forces during the revolution, was promoted to the rank of Brigadier General (MC) in 1916.
He was one of the founders of the Escuela Constitucionalista Médico Militar where he was director and taught as Professor of pathology, medical therapy and ophthalmology.
From 1933 to 1934 he was director of the journal "Gaceta Médico Militar", the organ of the Mexican military branch.