Cognomen דיוגו (Diogo 
, דיוגו 
) , across the world, is a common surname. The surname דיוגו is habitual in Portugal, where it is quite a common surname, Angola, and Jersey (explore the name in all countries). In absolute terms, this name is the most popular in Angola, Brazil, and Portugal. More prevalently, דיוגו is the forename as well as the last name.