Family name ロベルタ (Roberta 
, ロベルタ) , across the world, is a common last name. The surname ロベルタ is habitual in Mexico, where it is quite a common surname, Romania, where it is quite a rare surname, and North Macedonia. In absolute terms, the name is most common in Mexico, Italy, and Brazil. More frequently, ロベルタ is the forename as well as the last name.