Last name ศิวิโรจน์ (ศิวิโรจน์ 
) , globally, is a very rare surname. The family name ศิวิโรจน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname. Very seldom, ศิวิโรจน์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ศิวิโรจน์ | Thailand |