Cognomen Sitthiloet (Sitthiloet 
) , all around the world, is a very rare surname. The surname Sitthiloet is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, Sitthiloet is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sitthiloet | Thailand |
Pranchalee, Phadungkiet, and Phadungkiat