Surname Phansiri (พรรณศิริ 
, Phansiri 
) , worldwide, is a rare family name. The last name Phansiri is habitual in Thailand, where it is a rare surname, France, where it is an extremely rare surname, and the United States. Likewise, Phansiri is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| พรรณศิริ | Thailand |
| Phansiri | France, United States, Thailand |