Family name Sayamuaichaikit (Sayamuaichaikit 
) , worldwide, is a very rare surname. The last name Sayamuaichaikit is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname, and Malaysia, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sayamuaichaikit | Malaysia, Thailand |