Surname ปิยจิตต์ไพโรจน์ (ปิยจิตต์ไพโรจน์ 
) , worldwide, is a very rare last name. The last name ปิยจิตต์ไพโรจน์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| ปิยจิตต์ไพโรจน์ | Thailand |