Last name Пуусепп (Пуусепп 
, Puusepp 
, Pussep ) , throughout the world, is quite a rare cognomen. The cognomen Пуусепп is characteristic of Northern Europe, particularly Estonia, where it is quite a common surname, Latvia, where it is quite a rare surname, and Finland, where it is a rare surname. Not in comparison with a country's population, it is the most numerous in Estonia, Latvia, and Russia.