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Cognomen Romanoff (Romanoff
, Романофф
, רומנוב
) , throughout the world, is quite a rare last name. The last name Romanoff is habitual in Israel, where it is quite a rare surname, Finland, and Uruguay, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in the United States, Israel, and Indonesia. Much less frequently, Romanoff is the forename as well as the last name.