>
Family name Kitahara (キタハラ , Kitahara , 北原 ) , across the world, is quite a rare surname. The cognomen Kitahara is habitual in Hong Kong, where it is a rare surname, Japan, and Singapore. Measured by absolute frequency, the name is most common in Japan, Brazil, and Indonesia. More frequently, Kitahara is the forename as well as the last name.