Cognomen Wartan (Вардан 
, Вартан , وارطان 
) , worldwide, is a common last name. The surname Wartan is characteristic of Armenia, where it is a widespread surname, Lebanon, where it is a rare surname, and Bulgaria. Measured by absolute frequency, it is commonest in Armenia, Russia, and the United States. Likewise, Wartan is the forename as well as the last name.