Last name Khajak (Хажак 
, Khajak 
) , globally, is a very rare cognomen. The family name Khajak is characteristic of Pakistan, where it is a very rare surname, Canada, where it is an extremely rare surname, and Russia. In absolute terms, the name is most common in Pakistan, India, and Russia. More prevalently, Khajak is the forename as well as the last name.