Around the globe, Ohiko (Ohiko 
, 大彦 
) is quite a rare boy's first name. The first name Ohiko is characteristic of Japan, where it is quite a rare boy's name, China, where it is a very rare dominantly male, but infrequently girly name, and Nigeria, where it is a very rare boy's name. Very seldom, Ohiko is the last name as well as the forename.