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 (born 1988), Spanish professional footballer
• Dora Ferreiro (1916–2011), Argentine film actress
• Emilia Ferreiro (1937–2023), Argentine pedagogue, psychologist, and writer
• Franco Ferreiro (born 1984), Brazilian retired tennis player
• Iván Ferreiro (born 1970), Spanish singer
• Mario Aníbal Ferreiro (born 1959), Paraguayan television host and politician
• Martín Ferreiro (born 1997), Argentine field hockey player
• Roberto Ferreiro (1935–2017), Argentine professional footballer

• All pages with titles containing Ferreiro