Ferreiro is a surname of Galician-Portuguese origin, equivalent to English Smith. Notable people with the surname include:Alfredo Mario Ferreiro (1899–1959), Uruguayan poet Celso Emilio Ferreiro (1912–1979), Spanish writer and politician David Ferreiro, Spanish professional footballer Dora Ferreiro (1916–2011), Argentine film actress Emilia Ferreiro (1937–2023), Argentine pedagogue, psychologist, and writer Franco Ferreiro, Brazilian retired tennis player Iván Ferreiro, Spanish singer Mario Aníbal Ferreiro, Paraguayan television host and politician Martín Ferreiro, Argentine field hockey player Roberto Ferreiro (1935–2017), Argentine professional footballer