Family name Karasuta (Karasuta 
) , across the world, is a very rare last name. The family name Karasuta is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Karasuta | Thailand |
Sirimon, Kongkeiat, Kornsiri, Chayakorn, and Kotchakorn