Family name Horsuwanjit (Horsuwanjit 
) , in the world, is a very rare cognomen. The surname Horsuwanjit is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Horsuwanjit | Thailand |
Sunee, Sukanya, Suchada, Kamonsit, and Patsornluk