Cognomen เล็กอุทัยวรรณ (เล็กอุทัยวรรณ 
) , around the world, is a very rare last name. The last name เล็กอุทัยวรรณ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| เล็กอุทัยวรรณ | Thailand |