Across the world, อุดมทรัพย์ (อุดมทรัพย์ 
, Udomsap 
, Udomsub ) is quite a rare unisex given name. The first name อุดมทรัพย์ is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare gender-neutral name. Likewise, อุดมทรัพย์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| อุดมทรัพย์ | Thailand |
| Udomsub, Udomsap | United States, Thailand |
| Udomsab | China, Thailand |
Adomsap, Audomsub, Eudomsup, Soomsap, Ubomsab, Udomsaph, Udomsapphong, Udomsaprattana, Udomsapthaworm, Udomsapy, Udomshup, Udomsrap, Udomsubsiri, and Udomsup