Surname ถนิม (ถนิม 
, Thanim 
) , in the entire world, is a very rare family name. The cognomen ถนิม is habitual in Malaysia, where it is a very rare surname, and India, where it is an extremely rare surname. More prevalently, ถนิม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ถนิม | Thailand |
| Thanim | Thailand, United Kingdom, United States, India, Malaysia |