Mamerto is both a surname and a given name. Notable people with the name include:
Claudio Mamerto Cuenca (1812–1852), Argentine poet and physician Mamerto Esquiú (1826–1883), Argentine Roman Catholic Bishop of Córdoba José Mamerto Gómez Hermosilla (1771–1837), Spanish Hellenist, journalist and writer Mamerto Menapace (1942–2025), Argentine Roman Catholic monk and writer Mamerto Natividad (1871–1897), Filipino military leader during the Philippine Revolution against the Spaniards Fabio Mamerto Rivas Santos (1932–2018), Dominican Roman Catholic prelate Mamerto Urriolagoitía (1895–1974), President of Bolivia from 1949 to 1951
See also Fray Mamerto Esquiú Department, department of Catamarca Province in Argentina General Mamerto Natividad, Nueva Ecija, 4th class municipality in the province of Nueva Ecija, Philippines San Antonio, Fray Mamerto Esquiú, municipality in Catamarca Province in northwestern Argentina San José de Fray Mamerto Esquiú, town in Catamarca Province, Argentina