Last name Firdusi (Firdusi 
, Фирдуси 
, فردوسی 
) , across the world, is a rare surname. The last name Firdusi is characteristic of Armenia, where it is quite a common surname, Afghanistan, where it is a rare surname, and Georgia. Measured by absolute frequency, it is the most numerous in Armenia, Afghanistan, and Indonesia. Likewise, Firdusi is the forename as well as the last name.