Surname 波西 (Bosi 
, Posey 
, Bocci 
) , around the globe, is a common cognomen. The cognomen 波西 is habitual in Albania, where it is quite a common surname, Italy, and the United States, where it is quite a rare surname. Measured by absolute frequency, it is commonest in the United States, Italy, and Brazil. Much less frequently, 波西 is the forename as well as the last name.