Cognomen สายชนะ (สายชนะ 
) , in the world, is a rare family name. The surname สายชนะ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname. Much less frequently, สายชนะ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| สายชนะ | Thailand |