Cognomen อินวงศ์วรรณ (อินวงศ์วรรณ 
) , all around the world, is a very rare family name. The family name อินวงศ์วรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| อินวงศ์วรรณ | Thailand |