Cognomen Рубль (Rubel 
, Ruble , Rubl 
) , all over the world, is a widespread family name. The last name Рубль is characteristic of Oman, where it is a common surname, Bangladesh, where it is quite a common surname, and Qatar (explore the name in all countries). In absolute terms, it is commonest in Bangladesh, Oman, and the United States. Likewise, Рубль is the forename as well as the last name.