Family name 里亚 (Ria 
, 里亚 
) , around the world, is a common surname. The cognomen 里亚 is habitual in Indonesia, where it is quite a common surname, Algeria, and Brunei, where it is quite a rare surname. Not in comparison with a country's population, the name is most common in Indonesia, Bangladesh, and Algeria. More frequently, 里亚 is the forename as well as the last name.