Surname ลาวัณย์ศิริ (ลาวัณย์ศิริ 
) , all over the world, is a very rare last name. The last name ลาวัณย์ศิริ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ลาวัณย์ศิริ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ลาวัณย์ศิริ | Thailand |
| ดิเรก ลาวัณย์ศิริ civil engineer, TH (b. 1949) |
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