Cognomen Фирдоуси (Firdousi 
, Ferdowsi 
, Фирдоуси 
) , around the world, is quite a rare surname. The last name Фирдоуси is characteristic of Bangladesh, where it is a rare surname, United Arab Emirates, and Iran. Measured by absolute frequency, the name is most common in Southern Asia, particularly Bangladesh, India, and Iran. More frequently, Фирдоуси is the forename as well as the last name.