Blanca is a feminine Spanish given name. Notable people with the name include:
Blanca of Navarre (disambiguation), the name of various members of the aristocracyInfanta Blanca of Spain (1868–1949), Archduchess and Princess of Austria and Princess of Hungary, Bohemia, and Tuscany by marriageBlanca de La Cerda y Lara (c. 1317 – 1347), Spanish noblewomanBlanca Alcalá, Mexican politicianBlanca Canales (1906–1996), Puerto Rican nationalist leaderBlanca Castellón (born 1958), Nicaraguan poetBlanca Errázuriz (1894–1940), Chilean woman acquitted of the murder of her husbandBlanca Heredia, Miss Venezuela 1956Blanca Lewin (born 1974), Chilean actressBlanca Osuna (born 1950), Argentine politicianBlanca Ovelar (born 1957), Paraguayan politician and former Minister of EducationBlanca Estela Pavón (1926–1949), Mexican film actressBlanca Portillo (born 1963), Spanish actressBlanca Rodriguez (born 1927), First Lady of Venezuela (1974–1979, 1989–1993)Blanca Rosa Vilchez, Hispanic journalistBlanca Suárez, a Spanish actressBlanca Callahan, Puerto Rican-born American singer; former member of Christian Pop duo Group 1 Crew