>
Cognomen Nakaoka (ナカオカ , Nakaoka , นากาโอกะ ) , across the world, is a rare family name. The last name Nakaoka is habitual in Hong Kong, where it is a rare surname, Brazil, and Japan. Measured by absolute frequency, the name is most common in Brazil, the United States, and Japan. More frequently, Nakaoka is the forename as well as the last name.