Surname Pyrros (Pyrros 
, بيروس 
) , in all the world, is a rare cognomen. The cognomen Pyrros is habitual in Greece, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Australia. Measured by absolute frequency, it most frequently occurs in Greece, the United States, and Australia. Also, Pyrros is the forename as well as the last name.