Last name Oreña (Oreña 
) , worldwide, is quite a common surname. The last name Oreña is habitual in Mexico, where it is quite a rare surname, Chile, where it is a rare surname, and Spain, where it is a very rare surname.
Sol, Luis, Jose, Joel, Juan, Nora, Elia, Elsa, Elba, Eloy, Elda, Edna, Emma, Hugo, Flor, Ines, Iris, Irma, Ivan, Olga, Omar, Maria, Dora, Ruth, Rita, Rene, Ana, Luz, Noe, Eva, Mari, Marc, Sara, Saul, Alan, Alba, Mario, Alma, Abel, Adan, Aida, Aide, Cruz, Ciro, Blas, Phil, Raul, Rosa, Aldo, and Marta