Martín Perfecto de Cos (October 1, 1757 – 1858) was a 19th-century
Mexican general. He was born in Veracruz in 1757, the son of an attorney. He became an army cadet at the age of 20. He was married to Lucinda López de Santa Anna, sister of
Antonio López de Santa Anna. He died in Minatitlán, Vera Cruz, on October 1, 1858, while serving as commandant general and political chief of the Tehuantepec territory.