Family name كوهان (Kohan 
, Cohan 
, كوهان) , in all the world, is a common cognomen. The cognomen كوهان is habitual in Paraguay, where it is quite a rare surname, India, and Hungary. Not in comparison with a country's population, this name is the most popular in India, the United States, and Argentina. Much less frequently, كوهان is the forename as well as the last name.