Surname Тагмизян (Тагмизян 
, Tahmizian 
) , around the world, is a very rare last name. The surname Тагмизян is habitual in Bulgaria, where it is a rare surname, Australia, where it is a very rare surname, and Canada. In absolute terms, it is the most numerous in the United States, Bulgaria, and Australia. Much less frequently, Тагмизян is the forename as well as the last name.