Surname Bidong (必东 
, 碧东 , Bidong 
) , all around the world, is a rare cognomen. The family name Bidong is habitual in Cameroon, where it is a rare surname, Philippines, and Malaysia, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in China, Philippines, and Cameroon. More frequently, Bidong is the forename as well as the last name.