Surname ถนอมนิตย์ (ถนอมนิตย์ 
) , all around the world, is an extremely rare family name. The last name ถนอมนิตย์ is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname. More prevalently, ถนอมนิตย์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ถนอมนิตย์ | Thailand |