Last name Omirzak (Омирзак 
, Omirzak 
) , in the world, is a rare surname. The cognomen Omirzak is characteristic of Kazakhstan, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. More prevalently, Omirzak is the forename as well as the last name.