Family name Ohaion (Ohaion 
) , in the world, is a very rare cognomen. The family name Ohaion is characteristic of Israel, where it is a very rare surname, Australia, and Canada, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in the United States, Israel, and Australia. Very seldom, Ohaion is the forename as well as the last name.