Family name אוטרו (Otero 
, אוטרו 
) , across the world, is a widespread cognomen. The cognomen אוטרו is habitual in Latin America and the Caribbean, particularly Puerto Rico, where it is a common surname, Uruguay, where it is quite a common surname, and Panama (explore the name in all countries). Not in comparison with a country's population, it is the most numerous in Latin America and the Caribbean, particularly Argentina, Colombia, and Mexico. Much less frequently, אוטרו is the forename as well as the last name.