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