Isla Blanca or Blanca Island and their plurals may refer to:
Islands Argentina Islas Blancas (es or es), Atlantic coastal islands off Chubut Province, Argentina, List of islands of Argentina Isla Blanca (es), small island in Deseado Department, Santa Cruz Bristol Island, in the South Sandwich Islands, claimed by Argentina as Isla Blanca Islote Blanco, Tierra del Fuego southern tip of Chile and Argentina, off Cape San Pío, also known as Blanca Island and Isla Blanca
Costa Rica Isla Cabo Blanco, Pacific coastal island off Costa Rica, also known as Blanca Island, part of Cabo Blanco Absolute Natural Reserve México Isla Blanca, Quintana Roo (es), Isla Mujeres (municipality) Caribbean coastal island north of Cancun, Mexico Islas Blancas, Guerrero Pacific coastal islands off the Costa Grande of Guerrero, Mexico Isla Blanca, Baja California, an island in Bahía Concepción, Baja California Sur, Mexico Isla Blanca, Sonora, Gulf of California coastal island off Guaymas, Mexico, also known as Islote Peruano
Perú Isla Blanca, Santa, in Áncash, guano island off the coast of Peru Isla Blanca, (es), Ica, Pisco Province
Philippines Isla Blanca, Philippines, sand island off Mambajao, Camiguin Island, the Philippines Venezuela Isla Blanca, Nueva Esparta, two Caribbean coastal islands near Margarita Island off Nueva Esparta, Venezuela, Major and Minor, Blanquilla Island, Venezuela, also known as Blanca Island and Isla Blanca, in the Caribbean Sea
United States early name for Galveston Island, see History of Galveston, Texas
Non islands Barra del Solís a barrio (borough or neighborhood) of Parque del Plata, Uruguay, known as Isla Blanca "Isla Blanca", an electronic dance music single by First State, "One World" Isla Blanca Park, a preserve and recreational park on South Padre Island, Texas
See also White Island (disambiguation)