Surname Hajjan (Hajjan 
, Хайян 
) , throughout the world, is a rare last name. The family name Hajjan is habitual in Saudi Arabia, where it is a rare surname, Pakistan, where it is a very rare surname, and Russia. Not in comparison with a country's population, this name is the most popular in India, Saudi Arabia, and Pakistan. More prevalently, Hajjan is the forename as well as the last name.