Cognomen Girdmongkol (Girdmongkol 
) , in the entire world, is a very rare last name. The cognomen Girdmongkol is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, Girdmongkol is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Girdmongkol | Thailand |