Cognomen Usanit (Usanit 
) , across the world, is a very rare family name. The cognomen Usanit is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. More frequently, Usanit is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Usanit | India, Thailand |