Last name ترينو (Tierno 
, ترينو) , around the globe, is quite a rare cognomen. The last name ترينو is habitual in Uruguay, where it is quite a rare surname, Argentina, and Spain. Not in comparison with a country's population, this name is the most popular in Argentina, the United States, and Spain. Much less frequently, ترينو is the forename as well as the last name.