Family name Аонума (Aonuma 
, 青沼 , Аонума 
) , all around the world, is a very rare surname. The last name Аонума is characteristic of Belgium, where it is a very rare surname, Japan, and Philippines, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Japan, Belgium, and the United States. More prevalently, Аонума is the forename as well as the last name.