Last name อิษฏ์วิริยะพรรณ (อิษฏ์วิริยะพรรณ 
) , all around the world, is an extremely rare cognomen. The cognomen อิษฏ์วิริยะพรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| อิษฏ์วิริยะพรรณ | Thailand |