In all the world, สยามรัตน์ (สยามรัตน์ 
) is a very rare principally masculine, but very infrequently girly given name. The given name สยามรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a rare principally male, but very seldom female name.
| VARIANT | COUNTRY |
|---|---|
| สยามรัตน์ | Thailand |