Last name ויקו (Vico 
, Viko 
, ויקו 
) , worldwide, is a common cognomen. The cognomen ויקו is characteristic of Uruguay, where it is quite a common surname, Montenegro, and Spain, where it is quite a rare surname. Measured by absolute frequency, the name is most common in Spain, Italy, and Indonesia. Also, ויקו is the forename as well as the last name.