Surname カズヒコ (Kazuhiko 
, カズヒコ ) , all over the world, is a common last name. The surname カズヒコ is characteristic of Japan, where it is quite a common surname, Singapore, where it is a rare surname, and Romania. Not in comparison with a country's population, it is the most numerous in Japan, China, and Indonesia. Much less frequently, カズヒコ is the forename as well as the last name.