Surname วงศ์กนิษฐ์ (วงศ์กนิษฐ์ 
, Wongaganit , Wongkonnit ) , globally, is a very rare family name. The last name วงศ์กนิษฐ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wongarkanit, วงศ์กนิษฐ์, Wongkonnit, Wongaganit | Thailand |
Wongakanit, Wongkanid, Wongkanit, and Wongkanith