Family name Тагашев (Тагашев 
) , globally, is a rare last name. The cognomen Тагашев is habitual in Kazakhstan, where it is a rare surname, Russia, where it is a very rare surname, and Kyrgyzstan. In absolute terms, it is commonest in Russia, Kazakhstan, and Ukraine. Much less frequently, Тагашев is the forename as well as the last name.