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Last name Kochar (Kochar , Кочар , Кошар ) , in the entire world, is a common cognomen. The last name Kochar is habitual in Western Asia, particularly Iraq, where it is quite a common surname, Armenia, where it is quite a rare surname, and United Arab Emirates. In absolute terms, the name is most common in India, Iraq, and the United States. Much less frequently, Kochar is the forename as well as the last name.