In the world, รัตกูล (รัตกูล 
) is a very rare largely masculine, but infrequently female given name. The first name รัตกูล is habitual in South-eastern Asia, particularly Thailand, where it is a very rare largely boy's, but uncommonly girly name. More prevalently, รัตกูล is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| รัตกูล | Thailand |