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