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Cognomen Hiroaki (Hiroaki
, ヒロアキ
, 弘明
) , around the globe, is a common family name. The cognomen Hiroaki is characteristic of Japan, where it is quite a common surname, Belgium, where it is a rare surname, and Singapore. Measured by absolute frequency, it is commonest in Japan, China, and Malaysia. Much less frequently, Hiroaki is the forename as well as the last name.