Family name Chongson (Chongson 
) , all around the world, is a rare surname. The last name Chongson is characteristic of Philippines, where it is a very rare surname, Indonesia, and the United Kingdom, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Indonesia, India, and Philippines. Much less frequently, Chongson is the forename as well as the last name.