Family name สัตย์สมบูรณ์ (สัตย์สมบูรณ์ 
) , all over the world, is a very rare cognomen. The surname สัตย์สมบูรณ์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| สัตย์สมบูรณ์ | Thailand |