Cognomen Koulova (Кулова 
, Koulova 
) , worldwide, is quite a rare last name. The cognomen Koulova is characteristic of Kyrgyzstan, where it is quite a rare surname, Bulgaria, and Czechia. Not in comparison with a country's population, it most frequently occurs in Russia, Kyrgyzstan, and Kazakhstan. Very seldom, Koulova is the forename as well as the last name.