Family name Sewan (Sewan 
, Севан 
) , worldwide, is a rare last name. The last name Sewan is habitual in Western Asia, particularly Armenia, where it is quite a rare surname, Qatar, where it is a rare surname, and United Arab Emirates. Not in comparison with a country's population, it is the most numerous in Indonesia, Armenia, and Iraq. Likewise, Sewan is the forename as well as the last name.