Cognomen กะสันต์ (Cassant 
, กะสันต์ 
) , around the world, is a rare family name. The surname กะสันต์ is characteristic of France, where it is a rare surname, Israel, where it is a very rare surname, and Thailand. Measured by absolute frequency, it is commonest in France, the United States, and Thailand.
| VARIANT | COUNTRY |
|---|---|
| Cassant | France, Israel, Brazil, United States, Spain |
| กะสันต์ | Thailand |