Surname Кхак (Khac 
, Khak 
, Кхак 
) , around the globe, is quite a rare cognomen. The family name Кхак is habitual in Vietnam, where it is quite a rare surname, Malaysia, where it is a rare surname, and Lithuania. Not in comparison with a country's population, it is commonest in Vietnam, Pakistan, and Malaysia. Likewise, Кхак is the forename as well as the last name.