•
Alicia Castro (born 1949), Argentine diplomat •
Álvaro Castro (born 1989), Argentine developer •
Álvaro de Castro (1878–1928), Portuguese politician •
Américo Castro (1885–1972), Spanish historian •
Anabella Castro, Colombian model •
André Castro (born 1988), Portuguese footballer •
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), multiple people •
Bernadette Castro (born 1944), U.S. politician •
Carlos Castro (disambiguation), multiple people •
César Castro (diver) (born 1982), Brazilian diver •
Cipriano Castro (1858–1924), President of Venezuela •
Claudia Mabel Castro (born 1968), Chilean entrepreneur •
Claudia Roxana Castro, Argentine LGBT activist •
Crispin Castro Monroy (born 1936), Mexican politician •
Cristian Castro (born 1974), Mexican singer •
Daniel Castro (disambiguation), multiple people •
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), multiple people •
Eduardo Castro (born 1954), Mexican long-distance runner •
Eduardo Viveiros de Castro (born 1951), Brazilian ethnologist •
Ernesto Castro (born 1971), Salvadoran politician •
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 Cuba •
Fidel Castro (disambiguation), multiple people •
Francisco Castro (disambiguation), multiple people •
Germán Castro Caycedo (1940–2021), Colombian journalist and writer •
Giovanna Arbunic Castro (born 1964), Chilean chess player •
Glaiza de Castro (born 1986), Filipina actress •
Gonzalo Castro (born 1987), German footballer •
Gonzalo Castro Irizábal (born 1984), Uruguayan footballer •
Guillén de Castro y Bellvis (1569–1631), Spanish dramatist •
Harold Castro (born 1993), Venezuelan baseball player •
Héctor Castro (1904–1960), Uruguayan footballer •
Henri Castro (1786–1865), pioneer of the Republic of Texas •
Inês de Castro (1325–1355), Galician noblewoman and Queen of Portugal after her death •
Isabel Castro (artist) (born 1954), Mexican-born American artist •
Israel Castro (disambiguation), multiple people •
Jason Castro (disambiguation), multiple people •
Jayson Castro (born 1986), Filipino basketball player •
Jesús Castro (disambiguation), multiple people •
Joaquin Castro (born 1974), American politician •
Jorge Castro (disambiguation), multiple people •
José Castro (disambiguation), multiple people •
Joseph Castro (disambiguation), multiple people •
Juan Castro (born 1972), Mexican baseball player •
Juan José Castro (1895–1968), Argentine composer •
Juanita Castro (1933–2023), Cuban revolutionary, sister of Fidel and Raul Castro •
Julian Castro (born 1974), American politician •
Julián Castro Contreras (1810 – 1875), President of Venezuela •
Kat de Castro (born 1978), Filipino broadcaster and daughter of
Noli de Castro •
Kervin Castro (born 1999), Venezuelan baseball pitcher for the San Francisco Giants •
Lenny Castro (born 1956), American percussionist and musician •
Luciano Castro (born 1975), Argentine actor •
Luís Castro (disambiguation), multiple people •
Luz Dary Castro (born 1978), Colombian shot putter and discus thrower •
Marco Castro (born 1976), a Peruvian American film director •
Margalida Castro (1943–2024), Colombian actress •
María Elisa Castro (born 1954), Argentine politician •
Mariela Castro (born 1962), Cuban LGBT and sex education activist, and daughter of Raúl Castro •
Matheus de Castro (c. 1594-1679), Indian Roman Catholic bishop •
Mauricio Castro (born 1981), Honduran footballer •
Maxloren Castro (born 2007), Peruvian footballer •
Michael Castro (disambiguation), multiple people •
Miguel Castro (born 1994), Dominican professional baseball player •
Nelson Castro (disambiguation), multiple people •
Noli de Castro (born 1949), Filipino broadcast journalist and politician •
Oscar Castro (disambiguation), multiple people •
Pedro Fernández de Castro (disambiguation), multiple people •
Plácido de Castro (disambiguation), multiple people •
Ramón Castro (disambiguation), multiple people •
Raquel Castro (born 1994), American actress •
Raul Hector Castro (1916–2015), U.S. politician •
Raúl Castro (born 1931), First Secretary of the Communist Party of Cuba •
Raúl Castro (disambiguation), multiple people •
Roberto Michael Castro (born 1989), Ecuadorian footballer •
Rodolfo Castro (born 1999), Dominican baseball player •
Rosalía de Castro (1837–1885), Spanish Galician language writer and poet •
Sal Castro (1933–2013), Mexican-American educator and activist •
Saleta Castro (born 1989), a Spanish triathlete •
Salvador Castaneda Castro (1888–1965), Salvadorian politician •
Sebastian Castro (disambiguation), multiple people •
Sergio de Castro (disambiguation), multiple people •
Sheilla Castro (born 1983), Brazilian volleyball player •
Starlin Castro (born 1990), Dominican baseball player •
Teresita de Castro (born 1948), Filipina judge •
Thomas de Castro (c. 1621-1684), Indian Roman Catholic clergyman •
Verónica Castro (born 1952), Mexican actress •
Willi Castro (born 1997), Puerto Rican baseball player •
Xiomara Castro (born 1959), Honduran politician •
Yaakov de Castro (1525–1610), Spanish-Egyptian scholar, judge and exponent of Jewish law •
Zulema Castro de Peña (c. 1920–2013), Argentine activist • Alexander Nathan Castro (born 2016), Filipino child ==See also==