Family name Сьерра (Sierra 
, Сьерра 
) , around the globe, is a widespread surname. The cognomen Сьерра is habitual in Latin America and the Caribbean, particularly Colombia, where it is a common surname, Honduras, and Puerto Rico (explore the name in all countries). Not in comparison with a country's population, it most frequently occurs in Latin America and the Caribbean, particularly Colombia, Mexico, and Honduras. Much less frequently, Сьерра is the forename as well as the last name.