Surname อ่องสัน (Ongson 
, อ่องสัน) , all over the world, is a very rare cognomen. The cognomen อ่องสัน is habitual in Philippines, where it is a very rare surname, Thailand, and China, where it is an extremely rare surname. Likewise, อ่องสัน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ongson | China, United States, Thailand, Philippines |