Cognomen Tieso (Tieso 
) , across the world, is a rare family name. The family name Tieso is habitual in Argentina, where it is a rare surname, Uruguay, and Italy. Not in comparison with a country's population, it is the most numerous in Argentina, Italy, and the United States. Much less frequently, Tieso is the forename as well as the last name.
Ana, Emma, Ines, Ivan, Igor, Olga, Maria, Mario, Marta, Marco, Mauro, Sally, Susan, Sofia, Aline, Chuck, Carol, Catia, Karen, Paola, Pedro, Ramon, Erin, Elio, Tony, Tara, Ada, Ben, Roy, Jim, Tom, Ted, Maxi, Aida, Axel, Bill, Rocio, Rosa, Gary, Lisa, Lori, Luca, Luis, Jose, John, Joan, Joao, Juan, Rick, and Rocco