Last name Karshibayev (Karshibayev, Каршибаев 
) , worldwide, is a rare family name. The cognomen Karshibayev is habitual in Tajikistan, where it is quite a rare surname, Azerbaijan, and Uzbekistan, where it is a rare surname. Not in comparison with a country's population, the name is most common in Tajikistan, Russia, and Azerbaijan.