Family name جاهان (Jahan 
, جاهان) , in the world, is a prevalent last name. The surname جاهان is characteristic of Bangladesh, where it is a common surname, India, where it is quite a common surname, and Oman (explore the name in all countries). Not in comparison with a country's population, the name is most common in Southern Asia, particularly India, Bangladesh, and Pakistan. Very seldom, جاهان is the forename as well as the last name.