Surname ชัยสน (Chaison 
, ชัยสน ) , worldwide, is a rare cognomen. The last name ชัยสน is habitual in Thailand, where it is a rare surname, the United States, where it is a very rare surname, and New Zealand. Measured by absolute frequency, it is commonest in Thailand, the United States, and Malaysia. Much less frequently, ชัยสน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chaison | Canada, United States, Malaysia, Thailand, India |
| ชัยสน | Thailand |