Surname เบญจโรจน์ (เบญจโรจน์ 
) , all around the world, is a very rare family name. The cognomen เบญจโรจน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Also, เบญจโรจน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| เบญจโรจน์ | Thailand |