Cognomen Llanquihuen (Llanquihuen 
) , in the world, is a rare last name. The cognomen Llanquihuen is characteristic of Latin America and the Caribbean, particularly Chile, where it is a rare surname, and Argentina.
Rosa, Victor, Fabian, Isabel, Ubando, Marcela, Cecilia, Roberto, Daniela, Gabriel, Leandro, Lorenzo, Joselyn, Ezekiel, Viviana, Ignacia, Osvaldo, Octavio, Yolanda, Mercedes, Silverio, Angelica, Hector, Gladys, Carmen, Carlos, Ruth, Luis, Jose, Nora, Ines, Maria, Marta, Mabel, Adela, Paola, Ambrosio, Delia, Julio, Juana, Tomas, Marina, Manuel, Miriam, Miguel, Sandra, Silvia, Angela, Laura, and Catalina