Surname รัตนเสรี (รัตนเสรี 
, Rattaseree , Ratthaseri ) , globally, is a very rare last name. The family name รัตนเสรี is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, รัตนเสรี is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ratthaseri, รัตนเสรี, Rattaseree, Rattanaseri | Thailand |