Family name เหล่าไพโรจน์ (เหล่าไพโรจน์, Peerots, Laophairoj 
) , in the world, is a rare last name. The cognomen เหล่าไพโรจน์ is characteristic of South-eastern Asia, particularly Thailand, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Laophairoj, Laopairoj | Thailand |