Surname Smaragda (Smaragda 
, Смарагда 
, Σμαράγδα ) , in the entire world, is quite a rare family name. The cognomen Smaragda is habitual in Greece, where it is quite a common surname, Bulgaria, where it is quite a rare surname, and China, where it is an extremely rare surname. Also, Smaragda is the forename as well as the last name.