Cognomen วงศ์จิตรซื่อ (วงศ์จิตรซื่อ, Wongjitsue 
) , worldwide, is a very rare last name. The family name วงศ์จิตรซื่อ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wongjitsue | Thailand |