Family name นิราธร (Niratorn 
, นิราธร , Nirathon 
) , worldwide, is a very rare last name. The family name นิราธร is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, นิราธร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Niratorn, นิราธร | Thailand |
| Nirathon | United States |