Cognomen ติยวงศ์วาณิช (ติยวงศ์วาณิช 
) , all over the world, is an extremely rare family name. The family name ติยวงศ์วาณิช is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ติยวงศ์วาณิช | Thailand |