Cognomen Косумова (Косумова 
) , in the entire world, is a rare family name. The family name Косумова is habitual in Kazakhstan, where it is a rare surname, Kyrgyzstan, where it is a very rare surname, and Russia. Not in comparison with a country's population, it is commonest in Russia, Kazakhstan, and Ukraine. Much less frequently, Косумова is the forename as well as the last name.