Family name รัทนีย์ (รัทนีย์ 
) , in the entire world, is a very rare last name. The last name รัทนีย์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Much less frequently, รัทนีย์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| รัทนีย์ | Thailand |