Blanca (meaning "white" in Spanish, and being the Spanish equivalent of "Blanche" as a given name) may refer to:
People:
- Blanca of Navarre (disambiguation), the name of various members of the aristocracy
- Infanta Blanca of Spain (1868–1949), Archduchess and Princess of Austria and Princess of Hungary, Bohemia, and Tuscany by marriage
- Blanca de La Cerda y Lara (c. 1317 – 1347), Spanish noblewoman
- Blanca Alcalá, Mexican politician
- Blanca Canales (1906–1996), Puerto Rican nationalist leader
- Blanca Castellón (born 1958), Nicaraguan poet
- Blanca Errázuriz (1894–1940), Chilean woman acquitted of the murder of her husband
- Blanca Heredia, Miss Venezuela 1956
- Blanca Lewin (born 1974), Chilean actress
- Blanca Osuna (born 1950), Argentine politician
- Blanca Ovelar (born 1957), Paraguayan politician and former Minister of Education
- Blanca Estela Pavón (1926–1949), Mexican film actress
- Blanca Portillo (born 1963), Spanish actress
- Blanca Rodriguez (born 1927), First Lady of Venezuela (1974–1979, 1989–1993)
- Blanca Rosa Vilchez, Hispanic journalist
- Nida Blanca (1936–2001), Filipina actress
Places:
- Blanca, Colorado, a Statutory Town
- Blanca Island, Peru
- Blanca Lake, Washington state
- Blanca Peak, a mountain in Colorado
- Blanca, Sevnica, in Slovenia
- Blanca Wetlands, a protected area in Colorado
- Casa Blanca, California, in Riverside County
- La Blanca, an archeological site in Guatemala
- La Blanca, Texas, a census-designated place
- Laguna Blanca (disambiguation), multiple places
Other:
- Hurricane Blanca (disambiguation), the name of nine tropical cyclones
- Blanca, a 1971 film by Walerian Borowczyk
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