Surname สินเย็น (Sin Yen 
, สินเย็น 
) , in the world, is a very rare cognomen. The cognomen สินเย็น is characteristic of South-eastern Asia, particularly Malaysia, where it is a rare surname, and Thailand, where it is a very rare surname. Also, สินเย็น is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sin Yen | Singapore, United States, Malaysia, Australia |
| สินเย็น | Thailand |