Family name เป่ย (Pey 
, Ppei 
, เป่ย) , in the world, is quite a common cognomen. The cognomen เป่ย is habitual in Malaysia, where it is quite a rare surname, Singapore, and France. Not in comparison with a country's population, it most frequently occurs in Malaysia, Indonesia, and France. Also, เป่ย is the forename as well as the last name.