Last name ธรรมปิยะโรจน์ (ธรรมปิยะโรจน์ 
) , across the world, is an extremely rare cognomen. The cognomen ธรรมปิยะโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| ธรรมปิยะโรจน์ | Thailand |