Family name ชวาลพิมลรุจน์ (ชวาลพิมลรุจน์ 
) , across the world, is an extremely rare last name. The family name ชวาลพิมลรุจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ชวาลพิมลรุจน์ | Thailand |
จิรโชติ, and กุลธิรัตน์