Last name รัฐศิริ (รัฐศิริ 
, Ratsiri 
) , across the world, is a very rare cognomen. The family name รัฐศิริ is habitual in France, where it is an extremely rare surname, Thailand, and South Africa. More prevalently, รัฐศิริ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| รัฐศิริ | Thailand |
| Ratsiri | United States, France, Thailand, South Africa |
เทสสิริ, วชิรปัญญานนท์, and ศิริมาตย์