Cognomen Prithibi (Prithibi 
) , all over the world, is quite a rare last name. The cognomen Prithibi is characteristic of Bangladesh, where it is quite a rare surname, Oman, and Qatar, where it is a rare surname. Measured by absolute frequency, it most frequently occurs in Bangladesh, Saudi Arabia, and Oman. Much less frequently, Prithibi is the forename as well as the last name.