Surname Sitarachu (Sitarachu 
) , across the world, is a very rare last name. The surname Sitarachu is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sitarachu | Thailand |
Somsri, Lalida Nirada, Kedkanok, and Kritsada