Last name Baymyshev (Баймышев 
, Baymyshev 
) , throughout the world, is a rare cognomen. The surname Baymyshev is characteristic of Kazakhstan, where it is a rare surname, Russia, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Baymyshev is the forename as well as the last name.