Family name Sivachat (Sivachat 
) , across the world, is an extremely rare surname. Much more frequently, Sivachat is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sivachat | Thailand |
Loedhiranpitichok, Praditlku, Chattawan, Praditkul, and Praditlkul