Surname 比亚 (Bia 
, Biya 
, Bial 
) , around the globe, is a common cognomen. The surname 比亚 is habitual in Cameroon, where it is quite a common surname, Ethiopia, where it is quite a rare surname, and Romania. Not in comparison with a country's population, it is the most numerous in Ethiopia, Cameroon, and Indonesia. Likewise, 比亚 is the forename as well as the last name.