In the entire world, อุมลรัตน์ (อุมลรัตน์ 
) is a very rare mostly feminine, but seldom boy's given name. The first name อุมลรัตน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare gender-neutral name.
| VARIANT | COUNTRY |
|---|---|
| อุมลรัตน์ | Thailand |