Cognomen Ilyazova (Илязова 
, Ильязова , Ilyazova 
) , across the world, is quite a rare surname. The family name Ilyazova is habitual in Kyrgyzstan, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Russia. Measured by absolute frequency, this name is the most popular in Russia, Kyrgyzstan, and Kazakhstan.