Family name อุดมทรัพย์ขจร (อุดมทรัพย์ขจร 
) , throughout the world, is an extremely rare cognomen. The family name อุดมทรัพย์ขจร is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| อุดมทรัพย์ขจร | Thailand |