Cognomen บุญญโรจน์ (บุญญโรจน์ 
) , around the world, is a very rare last name. The surname บุญญโรจน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Likewise, บุญญโรจน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| บุญญโรจน์ | Thailand |