Castaño is a Spanish surname meaning "auburn".
Carlos Castaño Gil (1965–2004), founder of the Peasant Self-Defense Forces of Córdoba and Urabá (ACCU), an extreme right paramilitary organization in Colombia
Carlos Castaño Panadero (born 1979), Spanish cyclist
Catalina Castaño (born 1979), Colombian tennis player
Cecilia Castaño (born 1953), Spanish academic
Cristina Castaño (born 1978), Spanish actress
Daniel Fernández del Castaño (born 1979), Argentine model
Diego Castaño (born 1979), Argentine footballer
Dolly Montoya Castaño (born 1948), Colombian professor and scientist
Eliodoro Castaño Pedrosa (1933–2019), Moroccan-born Spanish footballer
Enrique Castaño (born 1993), Spanish footballer
Ezequiel Castaño (born 1981), Argentine actor
Fidel Castaño , right-wing Colombian drug lord and paramilitary leader
Francisco Castaño (born 1972), Spanish footballer
Francisco Sans Castaño (1868–1937), Spanish painter and engraver
Gabriel Castaño (born 1997), Mexican swimmer
Gaspar Castaño de Sosa (c. 1550–c. 1595), Portuguese colonial settler and converso
Gastón Castaño (born 1985), Argentine footballer
Gonzalo Fernández-Castaño (born 1980), Spanish golfer
Héctor Castaño (born 1965), Colombian road cyclist
Jorge Castaño (born 1981), Colombian wrestler
Jose Castaño (1854–?), Spanish Franciscan friar
Juan David Castaño Montoya (born 1990), Colombian singer better known by his stage name Llane
Juanma Castaño (born 1977), Spanish sports commentator
Miguel Castaño (1883–1936), Spanish politician
Mónica Castaño (born 1989), Colombian model
Pepe Castaño (born 1999), Spanish footballer
Santiago Castaño (born 1995), American soccer player
Sergio Castaño (born 1982), Spanish footballer
Stefany Castaño (born 1994), Colombian footballer
Tony Castaño (1911–1989), Cuban baseball player
Vicente Castaño (born 1957), also known as El Profe, Colombian paramilitary leader
Yolanda Castaño (born 1977), Galician painter
See also
Surnames derived from the color
Brown English German/Yiddish Other Germanic Hungarian Romance