Last name รัตนวิหค (รัตนวิหค 
) , worldwide, is a very rare cognomen. The family name รัตนวิหค is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, รัตนวิหค is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| รัตนวิหค | Thailand |