Family name Tobiya (Tobiya 
) , across the world, is quite a rare surname. The family name Tobiya is characteristic of Ethiopia, where it is quite a rare surname, Israel, where it is a rare surname, and Indonesia, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Ethiopia, Indonesia, and the United States. Much less frequently, Tobiya is the forename as well as the last name.