Cognomen Хаирулла (Khairulla 
, Хаирулла 
, Hairulla 
) , in the entire world, is a rare family name. The family name Хаирулла is habitual in Oman, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Finland. Not in comparison with a country's population, it is commonest in Philippines, India, and Indonesia. More frequently, Хаирулла is the forename as well as the last name.