Family name Tobyas (Тобиас 
, Tobyas 
) , in the entire world, is a rare cognomen. The family name Tobyas is characteristic of Russia, where it is a rare surname, Ukraine, where it is a very rare surname, and Spain, where it is an extremely rare surname. In absolute terms, it is the most numerous in Russia, Ukraine, and the United States. Also, Tobyas is the forename as well as the last name.