Surname วงศ์ไกรสร (วงศ์ไกรสร, Wongkraisorn 
) , globally, is a very rare last name. The cognomen วงศ์ไกรสร is habitual in Thailand, where it is a very rare surname, and the United States, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wongkraisorn | United States, Thailand |