All over the world, พีรโรจน์ (พีรโรจน์ 
, Pirarot ) is a very rare male first name. The given name พีรโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare boy's name.
| VARIANT | COUNTRY |
|---|---|
| พีรโรจน์, Pirarot | Thailand |