Cognomen Кувабара (Kuwabara 
, 桑原 , Кувабара 
) , across the world, is quite a rare family name. The surname Кувабара is characteristic of Japan, where it is a rare surname, Singapore, and Canada. In absolute terms, it is the most numerous in Brazil, Japan, and the United States. Likewise, Кувабара is the forename as well as the last name.