Surname Uño (Uño 
) , throughout the world, is a rare cognomen. The cognomen Uño is characteristic of Bolivia, where it is quite a rare surname, Argentina, where it is a rare surname, and Spain, where it is an extremely rare surname. Much less frequently, Uño is the forename as well as the last name.
Alf, Belen, Kevin, Pablo, Paola, Pedro, Ramon, Rocio, Ruben, David, Diana, Diego, Lidia, Lucia, Lucas, Jorge, Jesus, Julia, Julio, Juana, Justo, Nilda, Cesar, Celia, Adela, Ariel, Lis, Eva, Wil, Mary, Aldo, Rosa, Ruth, Dora, Jose, Juan, Norma, Eric, Mario, Marta, Marco, Mayra, Maira, Mirta, Sixto, Sonia, Anahi, Angel, Maria, and Elias