Surname Supphanit (ศุภนิตย์ 
, Supphanit 
) , in the world, is a very rare family name. The surname Supphanit is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Predominantly, Supphanit is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศุภนิตย์ | Thailand |
| Supphanit | United States, Thailand |