Castro is an Iberian (i.e. Portuguese, Spanish, and Galician) surname coming from Latin castrum, a castle or fortress. Its English equivalent is Chester Geographical distribution As of 2014, 19.2% of all known bearers of the surname Castro were residents of Mexico (frequency 1:254), 12.0% of Colombia (1:157), 10.0% of Brazil (1:801), 6.3% of the United States (1:2,249), 5.2% of Argentina (1:325), 4.8% of Peru (1:261), 4.7% of Spain (1:387), 4.0% of Venezuela (1:299), 3.9% of Chile (1:179), 3.0% of Ecuador (1:206), 2.6% of Honduras (1:134), 2.4% of Guatemala (1:269), 2.0% of Costa Rica (1:93), 1.8% of Cuba (1:251), 1.7% of Nicaragua (1:141), 1.5% of Bolivia (1:276), 1.5% of El Salvador (1:165), 1.5% of Portugal (1:278), 1.4% of the Dominican Republic (1:297) and 1.1% of Mozambique (1:1,011). In Spain, the frequency of the surname was higher than national average (1:387) in the following autonomous communities: 1. Galicia (1:95) 2. Canary Islands (1:282) 3. Andalusia (1:310) 4. Asturias (1:338) In Costa Rica, the frequency of the surname was higher than national average (1:93) in the following provinces: 1. Alajuela Province (1:65) 2. San José Province (1:75) People Alicia Castro (born 1949), Argentine diplomat Alvaro Castro (born 1989), Argentine developer Américo Castro (1885–1972), Spanish historian Anabella Castro, Columbian model Ángel Castro y Argiz (1875–1956), father of Cuban leaders Fidel and Raúl Castro Anthony Castro (baseball) (born 1995), Venezuelan baseball player Ariel Castro (1960–2013), Puerto Rican American kidnapper and rapist Arles Castro (born 1979), Colombian track and road cyclist Arturo Castro (Mexican actor) (1918–1975) Arturo Castro (Guatemalan actor) (born 1985) Aureo Castro (1917–1993), Macanese–Portuguese composer, musician and teacher Balthazar (Isaac) Orobio de Castro, (c.1617–1687) Jewish philosopher Benjamin Castro (disambiguation), several people Bernadette Castro (born 1944), U.S. politician Carlos Castro (disambiguation), several people César Castro (diver) (born 1982), Brazilian diver Cipriano Castro (1858–1924), President of Venezuela Claudia Castro, Argentine LGBT activist Crispin Castro Monroy (born 1936), Mexican politician Cristian Castro (born 1974), Mexican singer Daniel Castro (born 1992), Mexican baseball player David Castro (swimmer) (born 1964), Brazilian swimmer David Castro (actor) (born 1996), American actor Dionísio Castro (born 1963), Portuguese long-distance runner Domingos Castro (born 1963), Portuguese long-distance runner Eddie Castro (disambiguation), several people Eduardo Castro (born 1954), Mexican long-distance runner Eduardo Viveiros de Castro (born 1951), Brazilian ethnologist Elizabeth Castro, U.S. writer on web sites Fernando Castro (disambiguation) Fernando Ruiz de Castro (disambiguation) Fidel Castro (1926–2016), former First Secretary of the Communist Party of