Around the world, แก้วทับทิม (แก้วทับทิม, Kaewtaptim 
, Kaewtubtim 
) is an extremely rare unknown gender first name. Much more prevalently, แก้วทับทิม is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Keawtubtim, Kaewtaptim | Thailand |
| Kaewtubtim | United States, Thailand |