Surname วงศ์ยา (Wongya 
, วงศ์ยา , Wongsaya ) , throughout the world, is a rare cognomen. The cognomen วงศ์ยา is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Wongya | South Africa, Thailand |
| Wongsaya, วงศ์ยา | Thailand |
| ธัญสุดา วงศ์ยา badminton player, TH (b. 1998) |
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