Cognomen ชัยสิน (ชัยสิน 
, Chaisin 
) , globally, is a rare family name. The surname ชัยสิน is habitual in Thailand, where it is quite a rare surname, Israel, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. In absolute terms, it is the most numerous in Thailand, the United States, and the United Kingdom. Very seldom, ชัยสิน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ชัยสิน | Thailand |
| Chaisin | United Kingdom, Thailand, United States, Israel, Malaysia |