In the entire world, ถนอมทรัพย์ (ถนอมทรัพย์ 
, Thanomsab , Thanomsub 
) is a rare gender-neutral forename. The forename ถนอมทรัพย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare unisex name. Likewise, ถนอมทรัพย์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Thanomsab, ถนอมทรัพย์ | Thailand |
| Thanomsub | Malaysia, Thailand, United States |
| Tanomsup | Thailand, United States |
Tanhomsab, Tanomsap, Tanomsub, Tanormsub, Thanaomsap, Thanomhup, Thanomsap, Thanomsrap, Thanomsubsin, and Thanormsub