Family name Rathtawiset (Rathtawiset 
) , in the world, is a very rare last name. The family name Rathtawiset is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Rathtawiset | Thailand |
Preecha, Boonruean, and Punyachart