Melchor Ocampo is a municipality located in the Mexican state of Nuevo León.
It is named after Don Melchor Ocampo, who was Foreign Minister during the government of Benito Juárez.
The 2000 federal census showed a decline in population, with 1,215 inhabitants, of which 631 were male and 584 female.
The municipality seat of government, also named Melchor Ocampo with a population of 1,100 is the largest.
Melchor Ocampo obtained the category of municipality by state decree on October 20, 1948.