Cognomen Уэхара (Uehara 
, 上原 , 植原 ) , worldwide, is quite a common family name. The family name Уэхара is habitual in Brazil, where it is quite a rare surname, Peru, and Japan, where it is a rare surname. Not in comparison with a country's population, it is commonest in Brazil, Japan, and the United States. Much less frequently, Уэхара is the forename as well as the last name.