Cognomen Kenzhayev (Kenzhayev 
, Кенжаев 
) , in the entire world, is quite a rare last name. The cognomen Kenzhayev is characteristic of Central Asia, particularly Kyrgyzstan, where it is quite a rare surname, Tajikistan, and Uzbekistan. Not in comparison with a country's population, this name is the most popular in Russia, Uzbekistan, and Kyrgyzstan.